ObjectiveTo explore the effects of modified Danggui Beimu Kushen pills on tumor growth and T-cell subsets in H22 hepatocellular carcinoma-bearing mice and to provide an experimental basis for the treatment of hepatocellular carcinoma with modified Danggui Beimu Kushen pills combined with immune checkpoint antibodies. MethodA H22 hepatocellular carcinoma-bearing mouse model was established. The modeled mice were randomized into model， cisplatin， low- （4 g·kg^-1·d^-1）， medium- （8 g·kg^-1·d^-1）， and high-dose （16 g·kg^-1·d^-1） modified Danggui Beimu Kushen pills groups. After continuous administration for 14 days， the mice were sacrificed on day 15. The tumor volume was measured on days 0， 4， 8， 12， 15 of drug administration. Tumors were weighed and thymus index and spleen index were calculated. Spleen lymphocytes were co-cultured with H22 hepatoma cells， and the tumor cell-killing rate was detected by the cell counting kit-8 （CCK-8）. Real-time polymerase chain reaction was carried to determine the mRNA levels of programmed cell death protein-1 （PD-1） and lymphocyte activation gene-3 （LAG-3） in spleen and tumor tissues. The number of CD4⁺ and CD8⁺ T cells and the expression of PD-1 and LAG-3 were detected by immunohistochemistry （IHC）. ResultOn day 8 of drug administration， tumor volumes in all treatment groups decreased compared with that in the model group. On day 15， both tumor volume and tumor weight were significantly lower in the treatment groups than in the model group （P<0.01）， with the cisplatin group showing the most pronounced reduction. Compared with the model and cisplatin groups， medium- and high-dose modified Danggui Beimu Kushen pills increased the thymus index （P<0.01）. Compared with the model group， all treatment groups showed increased spleen index （P<0.05， P<0.01）， with the cisplatin group showing the most significant increase. Compared with the model and cisplatin groups， all the groups of modified Danggui Beimu Kushen pills demonstrated increased number of CD4⁺ and CD8⁺ T cells and tumor cell-killing rate in the spleen and tumor tissues （P<0.01） and down-regulated mRNA and protein levels of LAG-3 （P<0.05， P<0.01）. The high-dose group of modified Danggui Beimu Kushen pills had lower mRNA level of PD-1 in the tumor tissue than the model and cisplatin groups （P<0.01）. ConclusionModified Danggui Beimu Kushen pills may promote the proliferation and tumor microenvironment infiltration of CD4⁺ and CD8⁺ T cells in H22 tumor-bearing mice by down-regulating LAG-3 expression， thereby improving T-cell immune activity and inhibiting tumor growth. This study provides an experimental basis for the combination of modified Danggui Beimu Kushen pills and immune checkpoint antibodies in the treatment of hepatocellular carcinoma.

Methods: This paper introduces the concept of “order parameters” and proposes a method for establishing an order parameter model of gas discharge visualization (GDV) based on the principle of “mastering both permanence and change (MBPC)”. The method involved the following three steps. First, average luminous intensity () and average area () of the GDV images were calculated to construct the phase space, and the score of the health questionnaire was calculated as the health deviation index (H). Second, the k-means++ clustering method was employed to identify subclasses with the same health characteristics based on the data samples, and to statistically determine the symptom-specific frequencies of the subclasses. Third, the distance (d) between each sample and the “ideal health state”, which determined in the phase space of each subclass, was calculated as an order parameter describing the health imbalance, and a linear mapping was established between the d and the H. Further, the health implications of GDV signals were explored by analyzing subclass symptom profiles. We also compare the mean square error (MSE) with classification methods based on age, gender, and body mass index (BMI) indices to verify that the phase space possesses the ability to portray the health status of the human body. Results: This study preliminarily tested the reliability of the order parameter model on data samples provided by 20 participants. Based on the discovered linear law, the current model can use d calculated by measuring the GDV signal to predict H (R2 > 0.77). Combined with the symptom profiles of the subclasses, we explain the classification basis of the phase space based on the pattern identification. Compared with common classification methods based on age, gender, BMI, etc., the MSE of phase space-based classification was reduced by an order of magnitude. Conclusion In this study, the GDV order parameter model based on MBPC can identify subclasses and characterize individual health levels, and explore the TCM health meanings of the GDV signals by using subjective-objective methods, which holds significance for establishing mathematical models from TCM diagnosis principles to interpret human body signals.

Maternal separation is a kind of social deprivation in early life that has been shown to impede the learning and memory abilities of rodents(mainly rats or mice)in adulthood.Animal models of mother-infant separation are commonly used to study the manifestations and mechanisms of learning and memory impairment.In this paper,an animal model of maternal-infant separation and related mechanisms of maternal-infant separation that affect offspring's learning and memory are reviewed to provide a basis for subsequent research on maternal-infant separation.

Objective:To evaluate the safety and effectiveness of rubber band-assisted endoscopic submucosal excavation (RB-ESE) for gastric submucosal tumors (SMT).Methods:A retrospective study was conducted on data of gastric SMT patients who underwent ESE in Affiliated Hospital of Yangzhou University from January 2017 to August 2022. A total of 48 patients were selected and divided into two groups: RB-ESE group ( n=20) and the conventional ESE (C-ESE) group ( n=28). The operation time, bleeding rate and perforation rate during operation, the retention rate of the mucosal cap, the number of clips, postoperative complications, and the hospitalization time were analyzed. Additionally, correlations between complications and tumor size/location and between bleeding and perforation were evaluated. Results:No significant difference was found in the general conditions between the two groups ( P>0.05). The operation time of RB-ESE group (14.82±2.31 min) was significantly shorter than that of C-ESE group (23.70±3.67 min) ( t=-9.539, P<0.001). The intraoperative bleeding rates were 20.0% (4/20) and 42.9% (12/28) in the RB-ESE group and C-ESE group respectively ( χ2=2.743, P=0.098), while the intraoperative perforation rates were 25.0% (5/20) and 46.4% (13/28) respectively ( χ2=2.286, P=0.131). Furthermore, the mucosal cap preservation rate was notably higher in the RB-ESE group at 60.0% (12/20) compared with 7.1% (2/28) in the C-ESE group ( χ2=15.777, P<0.001). The number of clips applied to close the wound was 8.05±1.40 and 10.43±1.96 in the RB-ESE group and C-ESE group respectively ( t=4.925, P<0.001). The postoperative hospital stays were 4.35±0.75 days and 5.00±0.86 days respectively in two groups ( t=2.724, P=0.009). No postoperative bleeding or perforation occurred in either group. The results showed that the occurrence of perforation and bleeding were associated with tumor diameter. Patients with tumor size ≥2 cm showed increased proportions of intraoperative bleeding [68.4% (13/19), P<0.001] and perforation [78.9% (15/19), P<0.001]. There was a correlation between intraoperative bleeding and perforation ( P<0.001). Conclusion:RB-ESE proves to be an effective and safe approach for managing gastric SMT, offering advantages such as reduced operation time and hospital stays, improved retention of the mucosal cap post-operation, and less clips use. The results suggest that RB-ESE could be widely adopted for treating SMT.

Objective:To investigate the surgical outcome and prognostic factors of para-split laminotomy for removal of lumbar spinal canal tumors.Methods:Retrospectively review the clinical data of 35 patients suffering lumbar spinal canal tumors, who underwent the para-split laminotomy for tumor resection in Department of Neurosurgery, Clinical Medical College of Yangzhou University from October 2016 to August 2019, including 16 males and 19 females, and the age was(40.1±10.6)years. Intraoperative blood loss, operation time, tumor resection, tumor pathological results, perioperative complications were observed. Follow-up situations, including tumor recurrence, bony fusion of laminae and spinal stability. Follow-up using outpatient examination and telephone interview was performed by the end of August 2022. The JOA back pain scoring system was used to evaluate the neurological function of the spinal cord, and paired t-test were performed to compare the overall preoperative and postoperative spinal cord neurological function scores. Linear regression and multiple linear regression were used to analyze the prognostic factors. Measurement data of normal distribution were expressed as mean±standard deviation ( ± s), and the comparison before and after operation was performed by paired t-test. Mearsurement data of skewed distribution were expressed as M( Q1, Q3). Count data were expressed as cases. Results:The tumors of 35 patients were resected completely. The median blood loss was 100(75, 140)mL and the average operative duration was (181.1±42.7) min. The postoperative pathological results were as follows: 24 neurilemmomas, 6 meningiomas, 4 ependymomas and 1 neurofibroma. There were no surgery-related complications occurred. The postoperative follow-up ranged from 36 to 69 months, with no tumor recurrence or spinal instability, and bony fusion of laminae seen in some patients on CT imaging. The overall spinal cord neurological function scores of pre and post operation were(19.5±3.4)versus(25.4±2.2), Paired t-test analysis revealed a significant difference between the overall postoperative spinal cord neurological function scores and the preoperative scores, and the postoperative scores were better than the preoperative scores( P<0.05). Multiple linear regression analysis showed a positive correlation between preoperative JOA scores and postoperative JOA scores, and postoperative JOA scores has negative correlation with tumor volume and the age at the time of operation ( P<0.05). Conclusion:Para-split laminotomy with less damage to the posterior spinal structures can effectively improve the neurological function of the spinal cord and protect the stability of the lumbar spine in patients with lumbar spinal canal tumors, and the better the preoperative neurological function of the spinal cord, the better the prognosis of patients, and the smaller the tumor volume, the better the prognosis.

BackgroundNon-suicidal self-injury （NSSI） is a serious global public health issue and an important risk factor for suicide attempts and completed suicide. The incidence of NSSI among adolescents in China is 27.4%. Therefore， it is critical to address NSSI and prevent its progression into more severe mental health conditions. ObjectiveTo systematically evaluate the psychological experiences and needs of adolescents with NSSI behavior， so as to provide references for formulating targeted intervention strategies for this demographic. MethodsA computer search was conducted across a total of eleven databases， including Cochrane Library， Embase， PubMed， PsycINFO， Web of Science， CINAHL， Medline， CNKI， Wanfang， VIP and CBM， to gather qualitative research on the psychological experiences and needs of adolescents with NSSI behavior. The search extended from the establishment of these databases up to March， 2023. The Australian Joanna Briggs Institute （JBI） qualitative research quality evaluation tools were used to evaluate the included literature， and a Meta-synthesis method was used to integrate the results. ResultsA total of 11 studies were included， yielding 46 research findings. Similar findings were consolidated into 10 new categories， ultimately resulting in 5 synthesized outcomes， including interpersonal conflict， academic pressure and self-reflective struggles， self-injurious behaviors intertwined with inner emotions， the power of love to overcome helplessness， and adjustment and seeking positive coping strategies. ConclusionAdolescents often have experienced negative life events before NSSI behaviors， with notable conflicts in interpersonal relationships， academic pressures and family education. Following NSSI behavior， they undergo various psychological experiences， such as transient feelings of relief， dependence and guilt. In addition， they crave guidance and assistance from professionals to cope with negative emotions.［Funded by Social Psychological Service and Crisis Intervention in 2022 （number， LZXL-202213）］

OBJECTIVE To investigate the protective effects and mechanism of ziyuglycoside Ⅰ on acute lung injury in sepsis rats based on network pharmacology， and conduct experimental verification. METHODS The network pharmacology was used to predict the potential target of ziyuglycoside Ⅰ in the treatment of acute lung injury following sepsis. The rat model of sepsis was reproduced by cecum ligation and puncture for experimental verification. Totally 192 SD rats were randomly divided into the sham operation group （Sham group）， sepsis group （Sep group）， conventional therapy group （CT group） and ziyuglycoside Ⅰ group （Zg Ⅰ group）， respectively. Sham group and Sep group were given sterile normal saline， and CT group and ZgⅠ group were given relevant volume of Ringer’s solution and ziyuglycoside Ⅰ. The arterial blood gas， serum inflammatory factors， lung wet/dry mass ratio， pathological changes of lung tissue， pulmonary vascular permeability， the expressions of pulmonary vein tight junction protein 1 （ZO-1） and vascular endothelial cadherin （VE-cadherin） protein and 72-hour survival were observed in each group. RESULTS Results of network pharmacology showed that there were 47 potential targets of ziyuglycoside Ⅰ in the treatment of sepsis. The results of gene ontology function enrichment analysis and Kyoto encyclopedia of genes and genomes pathway enrichment analysis showed that the mechanism could 598486924@qq.com be correlated with biological processes such as positive regulation of reactive oxygen species metabolism， wound healing， regulation of endothelial cell proliferation， cell activation， blood vessel development， response to oxidative stress， etc.， and with signaling pathway such as apoptosis， tight junction， HIF-1 signaling pathway， etc. The results of experimental verification showed that compared with Sham group， pH value and the level of partial arterial oxygen pressure were decreased significantly in Sep group （P＜0.05）， while the level of partial pressure of carbon dioxide， serum levels of tumor necrosis factor α， interleukin 6 were increased significantly （P＜0.05）； the ratio of lung wet/dry mass was increased significantly （P＜0.05）； the protein expressions of ZO-1 and VE-cadherin were decreased significantly （P＜0.05）； 72 h survival rate decreased，the survival time was significantly shortened （P＜0.05）； the results of pathological observation of lung tissue showed that the rats’ alveoli were extensively ruptured， the alveolar wall was thickened and accompanied with edema， and there was obvious inflammatory cell infiltration； the results of pulmonary vascular permeability observation showed that the lung surface of rats was dark， with a large amount of Evans blue exudation， and the left lower lung was obviously dark blue. Compared with Sep group， the levels of above indexes almost were reversed significantly in CT group and ZgⅠ group （P＜0.05）； the lung histopathology and pulmonary vascular permeability were significantly improved， and the recovery degree of ZgⅠ group was greater than that of CT group， which was close to the results of Sham group. CONCLUSIONS Ziyuglycoside Ⅰ can significantly reduce inflammatory reaction and acute lung injury in septic rats， which is related to vascular function and tight junction signal pathway.

Objective To forecast the future burden and its attributable risk factors of infective endocarditis (IE). Method We analyzed the disease burden of IE and its risk factors from 1990 to 2019 using the Global Burden of Disease 2019 database and projected the disease burden from 2020 to 2030 using a Bayesian age-period-cohort model. Results By 2030, the incidence of IE will increase uncontrollably on a global scale, with developed countries having the largest number of cases and developing countries experiencing the fastest growth. The affected population will be predominantly males, but the gender gap will narrow. The elderly in high-income countries will bear the greatest burden, with a gradual shift to middle-income countries. The incidence of IE in countries with middle/high-middle social-demographic indicators (SDI) will surpass that of high SDI countries. In China, the incidence rate and the number of IE will reach 18.07 per 100,000 and 451,596 in 2030, respectively. IE-associated deaths and heart failure will continue to impose a significant burden on society, the burden on women will increase and surpass that on men, and the elderly in high-SDI countries will bear the heaviest burden. High systolic blood pressure has become the primary risk factor for IE-related death. Conclusions This study provides comprehensive analyses of the disease burden and risk factors of IE worldwide over the next decade. The IE-associated incidence will increase in the future and the death and heart failure burden will not be appropriately controlled. Gender, age, regional, and country heterogeneity should be taken seriously to facilitate in making effective strategies for lowering the IE disease burden.
Male ; Humans ; Female ; Aged ; Global Burden of Disease ; Bayes Theorem ; Global Health ; Risk Factors ; Cost of Illness ; Endocarditis ; Heart Failure

Objective: To explore the advantages and safety of a modified mattress inversion suturing using double barbed sutures compared with the traditional overlap method in totally laparoscopic esophagojejunostomy overlap anastomosis. Methods: A retrospective cohort study was conducted. The inclusion criteria were as follows: (1) patients were aged 18 - 80 years old; (2) adenocarcinoma was preoperatively confirmed by pathological analysis; (3) patients had undergone a complete laparoscopic radical total gastrectomy; (4) patients had undergone esophagojejunostomy using the overlap method; (5) patients received a grade of I-III on the American Society of Anesthesiologists physical status classification system; (6) patients' complete follow-up data had been collected. Patients with a history of other malignant tumors, multi-origin tumors, emergency surgery, non-R0 radical resection or distant metastasis were excluded. The clinical data of 89 gastric cancer patients who underwent total laparoscopic radical total gastrectomy in the Department of Gastrointestinal Surgery in the Sixth Affiliated Hospital of Sun Yat-sen University from January 2019 to December 2020 were collected. These patients were grouped according to the esophagojejunostomy method used. Of 89 patients, 32 received modified mattress inversion suturing with double barbed sutures to close the common opening of esophagojejunostomy (the modified anastomosis group), while 57 received traditional overlap anastomosis in which the common opening was closed by barbed suture (the traditional anastomosis group). The operation conditions (incision length, conversion to laparotomy, duration of esophagojejunostomy) and postoperative recovery (time to commencement of a liquid diet, duration of postoperative hospital stay, anastomotic leakage, anastomotic stenosis, and anastomotic bleeding) were compared between the two groups. Results: There was no significant difference in the baseline data of the two groups for any parameter (all P>0.05). All patients received complete laparoscopic radical gastrectomy without conversion to laparotomy. There were no significant differences in the length of the median incision, the proportion of food intake on the first day after surgery, or in the incidence of anastomotic complications such as anastomotic leakage, anastomotic stenosis, and anastomotic bleeding between the two groups (P>0.05). Compared with the traditional anastomosis group, patients in the modified anastomosis group had shorter anastomosis time [26 (19-62) minutes vs. 36 (20-50) minutes, Z=-2.546, P=0.011] and postoperative hospital stay [7 (6-12) days vs. 9 (7-42) days, Z=-4.202, P<0.001]. The differences were statistically significant (all P<0.05). In a subgroup analysis of tumor TNM stage III, Siewert type II and neoadjuvant chemotherapy patients, there was no significant difference in the incidence of anastomotic complications between the modified group and the traditional group. However, the postoperative hospital stay duration in the modified anastomosis group was less than in the traditional anastomosis group. The duration of anastomosis in Siewert type II patients was also shorter in the modified anastomosis group than in the traditional anastomosis group [26 (19-62) minutes vs. 38 (21-50) minutes, Z=-2.105, P=0.035], and the difference was statistically significant (all P<0.05). Conclusion: Complete laparoscopic esophagojejunostomy using modified mattress inversion suturing with double barbed sutures is a safe and feasible anastomosis method to close the common opening of esophagojejunostomy, with shorter operation time, faster postoperative recovery and shorter hospital stay than the traditional method.
Adolescent ; Adult ; Aged ; Aged, 80 and over ; Anastomosis, Surgical/methods* ; Anastomotic Leak/epidemiology* ; Constriction, Pathologic ; Gastrectomy/methods* ; Humans ; Laparoscopy/methods* ; Middle Aged ; Retrospective Studies ; Sutures ; Young Adult

Objective:To investigate the predictive value of Charlson comorbidity index (CCI) in the operative prognosis of colorectal cancer (CRC).Methods:The retrospective cohort study was conducted. The clinicopathological data of 1 337 CRC patients who underwent surgery in the First Affiliated Hospital of Xi'an Jiaotong University from January 2013 to February 2019 were collected. There were 774 males and 563 females, aged 62(range, 22?80)years. All patients were evaluated by CCI. Observation indicators: (1) clinicopathological characteristics of CRC patients undergoing operation; (2) follow-up and survival; (3) prognostic factors analysis of CRC patients undergoing operation; (4) establishment and evaluation of a nomogram prediction model based on CCI. Follow-up was conducted using the telephone interview or outpatient examination to detect the survival of patients up to March 2020. Measurement data with normal distribution were represented as Mean± SD, and comparison between groups was analyzed using the t test. Measurement data with skewed distribution were described as M(range) or M( Q1, Q3), and comparison between groups was analyzed using the Mann-Whitney U test. Count data were described as absolute numbers or percentages, and comparison between groups was analyzed using the chi-square test. Non-para-meter rank sum test was used for comparison of ordinal data. The Kaplan‐Meier method was used to calculate survival rates and draw survival curves, and Log-Rank test was used for survival analysis. Univariate and multivariate analyses were performed using the COX proportional hazard regression model. The independent risk factors were included into R4.0.4 software to construct a nomogram prediction model. The receiver operating characteristic (ROC) curve was drawn, and the area under curve (AUC) was used to evaluate discrimination of the nomogram prediction model. The C-index and calibration chart were used to evaluate consistency of the nomogram prediction model. Results:(1) Clinicopathological characteristics of CRC patients undergoing operation. Of the 1 337 patients, there were 1 041 cases with CCI ≤3 and 296 cases with CCI ≥4. Age, cases with non-smoking history, smoking cessation or smoking history, cases without or with R 0 resection, cases with low, moderate, well differentiated tumor, cases in stage Ⅰ?Ⅱ or Ⅲ?Ⅳ of clinical TNM staging, preoperative carcinoembryonic antigen (CEA) were 61(53,68)years, 717, 43, 281, 12, 1 029, 123, 859, 59, 666, 375, 3.22(1.84,7.75)μg/L for the 1 041 patients with CCI ≤3, versus 70(61,75)years, 217, 19, 60, 43, 253, 48, 237, 11, 102, 194, 5.55(2.43,17.64)μg/L for the 296 patients with CCI ≥4, showing significant differences in the above indicators between them ( Z=?10.50, χ2=7.34, 104.51, Z=?2.31, χ2=82.14, Z=?5.78, P<0.05). (2) Follow-up and survival. All the 1 337 patients were followed up for 31(range, 1?84)months. Of the 1 337 patients, 1 024 cases survived and 313 cases died. The 1-, 3-, 5-year survival rates were 94.8%, 85.5%, 80.1% for the 1 041 patients with CCI ≤3, versus 73.6%, 46.9%, 34.0% for the 296 patients with CCI ≥4, showing significant differences between them ( χ2=181.93, P<0.05). (3) Prognostic factors analysis of CRC patients undergoing operation. Results of univariate analysis showed that age, smoking history (having a history of smoking), tumor location (decending colon-sigmoid colon, recto-sigmoid junction-rectum), R 0 resection, tumor differentiation degree (moderate differentiation, well differentiation), clinical TNM staging, postoperative radio-therapy and chemotherapy, preoperational CEA and CCI were related factors for operative prognosis of CRC patients ( odds ratios=1.76, 0.71, 0.72, 0.61, 0.08, 0.39, 0.13, 3.02, 0.60, 2.41, 4.96, 95% confidence intervals as 1.39?2.23, 0.53?0.93, 0.52?0.99, 0.47?0.78, 0.06?0.11, 0.30?0.50, 0.05?0.31, 2.39?3.81, 0.48?0.76, 1.92?3.01, 3.97?6.20, P<0.05). Results of multivariate analysis showed that age >60 years, clinical TNM staging as stage Ⅲ?Ⅳ, preoperational CEA >5 μg/L and CCI ≥4 were independent risk factors for operative prognosis of CRC patients ( odds ratios=1.29, 1.88, 1.77, 2.84, 95% confidence intervals as 1.00?1.65, 1.45?2.44, 1.40?2.23, 2.20?3.67, P<0.05);tumor located in descending colon to sigmoid colon and recto-sigmoid junction to rectum, R 0 resection,tumor differen-tiation degree as moderate and well differentiation, postoperative radiotherapy and chemotherapy were independent protect factors for operative prognosis of CRC patients ( odds ratios=0.71, 0.72, 0.27, 0.50, 0.25, 0.56, 95% confidence intervals as 0.51?0.98, 0.56?0.93, 0.19?0.37, 0.38?0.65, 0.10?0.62, 0.44?0.70, P<0.05) (4) Establishment and evaluation of a nomogram prediction model based on CCI. Based on age, tumor location, R 0 resection, tumor differentiation degree, clinical TNM staging, postoperative radiotherapy and chemotherapy, preoperational CEA and CCI of multivariate analysis results, a nomogram prediction model for operative prognosis of CRC patients was established. The nomogram score was 1.0 for age >60 years, 18.0 for tumor located in proximal colon, 9.0 for tumor located in distal colon, 53.0 for non-R 0 resection, 62.0 for low differentiated tumor, 31.0 for morderate differentiated tumor, 32.0 for stage Ⅲ?Ⅳ of clinical TNM staging, 26.0 for no postoperative radiotherapy and chemotherapy, 4.6 for each increase of 100 μg/L in preoperative CEA and 12.6 for each increase of 1 score in CCI respectively. The total of different scores for risk factors was used to evaluate total 1, 3, 5-year survival rates. The ROC curve was drawn to evaluate the predictive ability for prognosis of nomogram model, with the AUC as 0.75 (95% confidence interval as 0.71?0.79, P<0.05). The C-index was 0.80 (95% confidence interval as 0.77?0.72). The calibration chart showed a good consistency between the probability of survival predicted by nomogram and the actual probability of survival. Conclusions:Age >60 years, stage Ⅲ?Ⅳ of clinical TNM staging, preoperational CEA >5 μg/L and CCI ≥4 are independent risk factors for operative prognosis of CRC patients. Tumor located in descending colon to sigmoid colon and recto-sigmoid junction to rectum, R 0 resection, tumor differentiation degree as moderate and well differentiation, postoperative radiotherapy and chemotherapy are independent protective factors for operative prognosis of CRC patients. The nomogram prediction model contributes to prediction of the survival of CRC patients.