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Colorectal cancer
Colon cancer: the 2023 Korean clinical practice guidelines for diagnosis and treatment
Hyo Seon Ryu, Hyun Jung Kim, Woong Bae Ji, Byung Chang Kim, Ji Hun Kim, Sung Kyung Moon, Sung Il Kang, Han Deok Kwak, Eun Sun Kim, Chang Hyun Kim, Tae Hyung Kim, Gyoung Tae Noh, Byung-Soo Park, Hyeung-Min Park, Jeong Mo Bae, Jung Hoon Bae, Ni Eun Seo, Chang Hoon Song, Mi Sun Ahn, Jae Seon Eo, Young Chul Yoon, Joon-Kee Yoon, Kyung Ha Lee, Kyung Hee Lee, Kil-Yong Lee, Myung Su Lee, Sung Hak Lee, Jong Min Lee, Ji Eun Lee, Han Hee Lee, Myong Hoon Ihn, Je-Ho Jang, Sun Kyung Jeon, Kum Ju Chae, Jin-Ho Choi, Dae Hee Pyo, Gi Won Ha, Kyung Su Han, Young Ki Hong, Chang Won Hong, Jung-Myun Kwak, Korean Colon Cancer Multidisciplinary Committee
Ann Coloproctol. 2024;40(2):89-113.   Published online April 30, 2024
DOI: https://doi.org/10.3393/ac.2024.00059.0008
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AbstractAbstract PDFSupplementary Material
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.

Citations

Citations to this article as recorded by  
  • 2023 Korean Multidisciplinary Guidelines for Colon Cancer Management: Summary of Radiological Points
    Nieun Seo, Hyo Seon Ryu, Myungsu Lee, Sun Kyung Jeon, Kum Ju Chae, Joon-Kee Yoon, Kyung Su Han, Ji Eun Lee, Jae Seon Eo, Young Chul Yoon, Sung Kyung Moon, Hyun Jung Kim, Jung-Myun Kwak
    Korean Journal of Radiology.2024; 25(9): 769.     CrossRef
  • Effect of Fluorescence Lymph Node Mapping on Improving Diagnostic Values of CT D3 Lymph Node Staging for Right-Sided Colon Cancer
    Gyung Mo Son, Tae Un Kim, Mi Sook Yun, ChangYeop Kim, In Young Lee, Su Bum Park, Dong-Hoon Shin, Gi Won Ha
    Cancers.2024; 16(20): 3496.     CrossRef
  • Nuclear medicine based multimodal molecular imaging facilitates precision medicine for gastrointestinal tumors
    Jing Zhao, Fei Wang, Rong-Fu Wang
    World Chinese Journal of Digestology.2024; 32(10): 727.     CrossRef
Original Article
Colorecal cancer
Prognostic significance of lymph node yield on oncologic outcomes according to tumor response after preoperative chemoradiotherapy in rectal cancer patients
Hyo Seon Ryu, In Ja Park, Bo Kyung Ahn, Min Young Park, Min Sung Kim, Young Il Kim, Seok-Byung Lim, Jin Cheon Kim
Ann Coloproctol. 2023;39(5):410-420.   Published online April 28, 2022
DOI: https://doi.org/10.3393/ac.2022.00143.0020
  • 3,192 View
  • 113 Download
  • 2 Web of Science
  • 2 Citations
Graphical AbstractGraphical Abstract AbstractAbstract PDF
Purpose
This study aimed to evaluate the predictive value of lymph node yield (LNY) for survival outcomes according to tumor response after preoperative chemoradiotherapy (PCRT) in patients with rectal cancer.
Methods
This study was a retrospective study conducted in a tertiary center. A total of 1,240 patients with clinical stage II or III rectal cancer who underwent curative resection after PCRT between 2007 and 2016 were included. Patients were categorized into the good response group (tumor regression grade [TRG], 0–1) or poor response group (TRG, 2–3). Propensity score matching was performed for age, sex, and pathologic stage between LNY of ≥12 and LNY of <12 within tumor response group. The primary outcome was 5-year disease-free survival (DFS) and overall survival (OS).
Results
LNY and positive lymph nodes were inversely correlated with TRG. In good responders, 5-year DFS and 5-year OS of patients with LNY of <12 were better than those with LNY of ≥12, but there was no statistical significance. In poor responders, the LNY of <12 group had worse survival outcomes than the LNY of ≥12 group, but there was also no statistical significance. LNY of ≥12 was not associated with DFS and OS in multivariate analysis.
Conclusion
LNY of <12 showed contrasting outcomes between the good and poor responders in 5-year DFS and OS. LNY of 12 may not imply adequate oncologic surgery or proper staging in rectal cancer patients treated by PCRT. Furthermore, a decrease in LNY should be comprehended differently according to tumor response.

Citations

Citations to this article as recorded by  
  • Effects of Adjuvant Chemotherapy on Oncologic Outcomes in Patients With Stage ⅡA Rectal Cancer Above the Peritoneal Reflection Who Did Not Undergo Preoperative Chemoradiotherapy
    Hyo Seon Ryu, Jong Lyul Lee, Chan Wook Kim, Yong Sik Yoon, In Ja Park, Seok-Byung Lim, Yong Sang Hong, Tae Won Kim, Chang Sik Yu
    Clinical Colorectal Cancer.2024;[Epub]     CrossRef
  • Multidisciplinary Treatment Strategy for Early Colon Cancer: A Review-An English Version
    Gyung Mo Son, Su Bum Park, Tae Un Kim, Byung-Soo Park, In Young Lee, Joo-Young Na, Dong Hoon Shin, Sang Bo Oh, Sung Hwan Cho, Hyun Sung Kim, Hyung Wook Kim
    Journal of the Anus, Rectum and Colon.2022; 6(4): 203.     CrossRef
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