The liver is the primary target organ for hematogenous metastasis of colorectal cancer, and colorectal cancer liver metastasis is one of the key and challenging aspects in its treatment. In order to improve the diagnosis and comprehensive treatment of colorectal cancer liver metastasis in China, the guideline development group has summarized advanced experiences and the latest achievements from both domestic and international sources, and has once again revised and updated the Guideline for the diagnosis and comprehensive treatment of colorectal cancer liver metastases (2025 edition) to continuously provide guidance and reference for clinical practice in this field in China.

The surgical treatment of renal tumors has always been a challenge in the field of urology.Although traditional two-dimensional imaging provides certain anatomical information,it is limited in accurately locating tumor positions,aiding in surgical planning,and assessing risks.Three-dimensional(3D)reconstruction technology offers a more intuitive and detailed representation of anatomical structures,en-abling surgeons to better understand the relationship between tumors and surrounding tissues and develop more precise and personalized surgical plans.Based on relevant medical evidence and expert consensus,the Urological Tumor Committee of the Chinese Anti-Cancer Asso-ciation and the Experts Committee on Renal Carcinoma of the Chinese Society of Clinical Oncology formulated the"Expert Consensus on the Application of 3D Reconstruction in Renal Tumor Surgery,"which aims to standardize the application of 3D reconstruction in renal tumor surgery to enhance clinical diagnostics and treatment,ultimately benefiting patients.

Microsatellite instability (MSI) which resulted from the deficiency of DNA mismatch repair (MMR), is an important clinical significance in the related solid tumors, such as colorectal cancer and endometrial cancer. There are several methods to detect MSI status, including immunohistochemistry for MMR protein, multiplex fluorescent polymerase chain reaction (PCR) for microsatellite site and MSI algorithm based on next generation sequencing (NGS). The consensus elaborates the definition and clinical significance of MSI as well as the advantages and disadvantages of the three detection methods. Through this expert consensus, we hope to promote the screening which based on MSI status in malignant tumors and improve the acknowledge of clinicians about various testing methods. Thereby, they could interpret the results more accurately and provide better clinical services to patients.
Antineoplastic Agents ; administration & dosage ; adverse effects ; therapeutic use ; China ; Colorectal Neoplasms ; genetics ; pathology ; Consensus ; DNA Mismatch Repair ; DNA Sequence, Unstable ; Delivery of Health Care ; standards ; Endometrial Neoplasms ; Female ; Humans ; Immunohistochemistry ; Microsatellite Instability ; Microsatellite Repeats ; Microscopy, Fluorescence ; Polymerase Chain Reaction ; Practice Guidelines as Topic

The liver is the most common anatomical site for hematogenous metastases of colorectal cancer, and colorectal liver metastases is one of the most difficult and challenging points in the treatment of colorectal cancer. In order to improve the diagnosis and comprehensive treatment in China, the Guidelines have been edited and revised for several times since 2008, including the overall evaluation, personalized treatment goals and comprehensive treatments, to prevent the occurrence of liver metastases, improve the resection rate of liver metastases and survival. The revised Guideline includes the diagnosis and follow-up, prevention, MDT effect, surgery and local ablative treatment, neoadjuvant and adjuvant therapy, and comprehensive treatment, and with advanced experience, latest results, detailed content, and strong operability.
Chemotherapy, Adjuvant ; China ; Colorectal Neoplasms ; pathology ; Hepatectomy ; Humans ; Liver Neoplasms ; diagnosis ; secondary ; therapy ; Neoadjuvant Therapy ; Practice Guidelines as Topic