Purpose: Recent development in perioperative treatment of resectable non–small cell lung cancer (NSCLC) have changed the landscape of early lung cancer management. The ADAURA trial has demonstrated the efficacy of adjuvant osimertinib treatment in resectable NSCLC patients; however, studies are required to show which subgroup of patients are at a high risk of relapse and require adjuvant epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor treatment. This study evaluated risk factors for postoperative relapse among patients who underwent complete resection. Materials and Methods: Data were obtained from the Korean Association for Lung Cancer Registry (KALC-R), a database created using a retrospective sampling survey by the Korean Central Cancer Registry (KCCR) and the Lung Cancer Registration Committee. Results: A total of 3,176 patients who underwent curative resection was evaluated. The mean observation time was approximately 35.4 months. Among stage I to IIIA NSCLC patients, the EGFR-mutant subgroup included 867 patients, and 75.2%, 11.2%, and 11.8% were classified as stage I, stage II, and stage III, respectively. Within the EGFR-mutant subgroup, 44 (5.1%) and 121 (14.0%) patients showed early and late recurrence, respectively. Multivariate analysis on association with postoperative relapse among the EGFR-mutant subgroup showed that age, pathologic N and TNM stages, pleural invasion status, and surgery type were independent significant factors. Conclusion Among the population that underwent complete resection for early NSCLC with EGFR mutation, patients with advanced stage, pleural invasion, or limited resection are more likely to show postoperative relapse.

Purpose: Recent development in perioperative treatment of resectable non–small cell lung cancer (NSCLC) have changed the landscape of early lung cancer management. The ADAURA trial has demonstrated the efficacy of adjuvant osimertinib treatment in resectable NSCLC patients; however, studies are required to show which subgroup of patients are at a high risk of relapse and require adjuvant epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor treatment. This study evaluated risk factors for postoperative relapse among patients who underwent complete resection. Materials and Methods: Data were obtained from the Korean Association for Lung Cancer Registry (KALC-R), a database created using a retrospective sampling survey by the Korean Central Cancer Registry (KCCR) and the Lung Cancer Registration Committee. Results: A total of 3,176 patients who underwent curative resection was evaluated. The mean observation time was approximately 35.4 months. Among stage I to IIIA NSCLC patients, the EGFR-mutant subgroup included 867 patients, and 75.2%, 11.2%, and 11.8% were classified as stage I, stage II, and stage III, respectively. Within the EGFR-mutant subgroup, 44 (5.1%) and 121 (14.0%) patients showed early and late recurrence, respectively. Multivariate analysis on association with postoperative relapse among the EGFR-mutant subgroup showed that age, pathologic N and TNM stages, pleural invasion status, and surgery type were independent significant factors. Conclusion Among the population that underwent complete resection for early NSCLC with EGFR mutation, patients with advanced stage, pleural invasion, or limited resection are more likely to show postoperative relapse.

Purpose: Recent development in perioperative treatment of resectable non–small cell lung cancer (NSCLC) have changed the landscape of early lung cancer management. The ADAURA trial has demonstrated the efficacy of adjuvant osimertinib treatment in resectable NSCLC patients; however, studies are required to show which subgroup of patients are at a high risk of relapse and require adjuvant epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor treatment. This study evaluated risk factors for postoperative relapse among patients who underwent complete resection. Materials and Methods: Data were obtained from the Korean Association for Lung Cancer Registry (KALC-R), a database created using a retrospective sampling survey by the Korean Central Cancer Registry (KCCR) and the Lung Cancer Registration Committee. Results: A total of 3,176 patients who underwent curative resection was evaluated. The mean observation time was approximately 35.4 months. Among stage I to IIIA NSCLC patients, the EGFR-mutant subgroup included 867 patients, and 75.2%, 11.2%, and 11.8% were classified as stage I, stage II, and stage III, respectively. Within the EGFR-mutant subgroup, 44 (5.1%) and 121 (14.0%) patients showed early and late recurrence, respectively. Multivariate analysis on association with postoperative relapse among the EGFR-mutant subgroup showed that age, pathologic N and TNM stages, pleural invasion status, and surgery type were independent significant factors. Conclusion Among the population that underwent complete resection for early NSCLC with EGFR mutation, patients with advanced stage, pleural invasion, or limited resection are more likely to show postoperative relapse.

Background: Sapovirus is an increasingly recognized cause of acute gastroenteritis (AGE).Despite its significance, data on sapovirus epidemiology and genetic diversity in Korea are limited. Therefore, we examined sapovirus positivity rates over a 6.5-yr period and analyzed the genetic diversity of strains detected in 2022 in Korea. Methods: We retrospectively analyzed 204,563 sapovirus multiplex PCR test results from suspected AGE cases collected between 2017 and 2023 at two institutions. Monthly and age-specific positive rates were evaluated. Forty sapovirus-positive samples from 2022 were genotyped using reverse transcription PCR and sequencing. The sequences were compared with those in the National Center for Biotechnology Information Virus database, and a phylogenetic tree was constructed to assess genetic relationships among sapovirus strains. Results: The overall sapovirus positivity rate from 2017 to 2023 was 2.2%, with an increasing trend in summer and autumn, except during the coronavirus disease 2019 (COVID-19) pandemic in 2020 and 2021, when sapovirus was rarely detected. Positivity markedly increased in the summer and autumn of 2022 and 2023 following the COVID-19 pandemic. The predominant genotypes in 2022 were GI.1 and GII.3. Phylogenetic analysis revealed genetic diversity among circulating strains. Conclusions This study highlights the rising incidence of sapovirus in Korea, particularly after the COVID-19 pandemic. Despite focusing on genotyping data from a single year, these findings emphasize the need for ongoing surveillance to monitor sapovirus evolution and its public health impact. Additionally, our findings provide essential baseline data for future research into the epidemiology and genetics of sapovirus.

Non-human primates, due to their high genetic similarity to humans, are used as laboratory animals in biotechnology researches. The growing demand has recently led to a shortage of primate resources, which has become a significant issue both domestically and internation-ally. This shortage has been further exacerbated by the COVID-19 pandemic. Consequently, the importance of resource conservation through effective primate management is increas-ing. This requires the establishment of proper quarantine procedures and infectious disease control. Quarantine is an important process that protects not only animal health but also pub-lic health significance. Non-human primate quarantine procedures were organized in order.We compared the differences in quarantine procedures not only in Korea but also in variouscountries such as the US, EU, and Australia. In addition, the etiology, clinical symptoms, diagnosis, and treatment methods of representative infectious diseases of quarantine concern(tuberculosis, monkeypox, monkey immunodeficiency virus, salmonellosis, and shigellosis) were summarized. A literature review of nonhuman primate quarantine procedures in other countries revealed minimal differences in the basic structure. The quarantine periods were similar around 30 days, but we found some differences in details such as legal requirements, documentation forms, and quarantine authorities. These findings are expected to contributeto the development of strategies for improving methods to prevent the spread of infectious diseases and enhancing quarantine management methods.

Colorectal cancer is the third most common cancer in Korea and the third leading cause of death from cancer. Treatment outcomes for colon cancer are steadily improving due to national health screening programs with advances in diagnostic methods, surgical techniques, and therapeutic agents.. The Korea Colon Cancer Multidisciplinary (KCCM) Committee intends to provide professionals who treat colon cancer with the most up-to-date, evidence-based practice guidelines to improve outcomes and help them make decisions that reflect their patients’ values and preferences. These guidelines have been established by consensus reached by the KCCM Guideline Committee based on a systematic literature review and evidence synthesis and by considering the national health insurance system in real clinical practice settings. Each recommendation is presented with a recommendation strength and level of evidence based on the consensus of the committee.

Purpose: This study aimed to understand and describe the experiences of patients and their families who have received medical services from advanced practice nurses in tertiary general hospitals in Korea. Methods: Data were collected through four focus group interviews with 20 patients and their families who had received medical services from advanced practice nurses for more than six months at four tertiary hospitals from November 29 to December 28, 2023. Verbatim transcripts were analyzed using qualitative content analysis. Results: The four themes extracted from the experiences of patients and their families were as follows: unfamiliar medical personnel encountered during the treatment process, healthcare professionals who exhibited excellence, companions to light my way through the tunnel of illness, and an advanced practice nurse system that must be activated urgently. Conclusion The study’s findings indicate that patients and their families view the care provided by advanced practice nurses as excellent, reliable, and holistic. Research suggests that advanced practice nurses are valuable healthcare professionals in team-based care. The findings suggest that hospitals should utilize an advanced practice nurse system to improve patient outcomes and ensure the quality of care.

Purpose: This study aimed to understand and describe the experiences of patients and their families who have received medical services from advanced practice nurses in tertiary general hospitals in Korea. Methods: Data were collected through four focus group interviews with 20 patients and their families who had received medical services from advanced practice nurses for more than six months at four tertiary hospitals from November 29 to December 28, 2023. Verbatim transcripts were analyzed using qualitative content analysis. Results: The four themes extracted from the experiences of patients and their families were as follows: unfamiliar medical personnel encountered during the treatment process, healthcare professionals who exhibited excellence, companions to light my way through the tunnel of illness, and an advanced practice nurse system that must be activated urgently. Conclusion The study’s findings indicate that patients and their families view the care provided by advanced practice nurses as excellent, reliable, and holistic. Research suggests that advanced practice nurses are valuable healthcare professionals in team-based care. The findings suggest that hospitals should utilize an advanced practice nurse system to improve patient outcomes and ensure the quality of care.

Non-human primates, due to their high genetic similarity to humans, are used as laboratory animals in biotechnology researches. The growing demand has recently led to a shortage of primate resources, which has become a significant issue both domestically and internation-ally. This shortage has been further exacerbated by the COVID-19 pandemic. Consequently, the importance of resource conservation through effective primate management is increas-ing. This requires the establishment of proper quarantine procedures and infectious disease control. Quarantine is an important process that protects not only animal health but also pub-lic health significance. Non-human primate quarantine procedures were organized in order.We compared the differences in quarantine procedures not only in Korea but also in variouscountries such as the US, EU, and Australia. In addition, the etiology, clinical symptoms, diagnosis, and treatment methods of representative infectious diseases of quarantine concern(tuberculosis, monkeypox, monkey immunodeficiency virus, salmonellosis, and shigellosis) were summarized. A literature review of nonhuman primate quarantine procedures in other countries revealed minimal differences in the basic structure. The quarantine periods were similar around 30 days, but we found some differences in details such as legal requirements, documentation forms, and quarantine authorities. These findings are expected to contributeto the development of strategies for improving methods to prevent the spread of infectious diseases and enhancing quarantine management methods.

Purpose: This study aimed to understand and describe the experiences of patients and their families who have received medical services from advanced practice nurses in tertiary general hospitals in Korea. Methods: Data were collected through four focus group interviews with 20 patients and their families who had received medical services from advanced practice nurses for more than six months at four tertiary hospitals from November 29 to December 28, 2023. Verbatim transcripts were analyzed using qualitative content analysis. Results: The four themes extracted from the experiences of patients and their families were as follows: unfamiliar medical personnel encountered during the treatment process, healthcare professionals who exhibited excellence, companions to light my way through the tunnel of illness, and an advanced practice nurse system that must be activated urgently. Conclusion The study’s findings indicate that patients and their families view the care provided by advanced practice nurses as excellent, reliable, and holistic. Research suggests that advanced practice nurses are valuable healthcare professionals in team-based care. The findings suggest that hospitals should utilize an advanced practice nurse system to improve patient outcomes and ensure the quality of care.