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The Assessment of the Oncological Safety Margin of Insufficient Lymph Node Dissection in pT2 (pm) Gastric Cancer

 Yoon Young Choi  ;  Ji Yeong An  ;  In Cho  ;  In Gyu Kwon  ;  Dae Ryong Kang  ;  Woo Jin Hyung  ;  Sung Hoon Noh 
 YONSEI MEDICAL JOURNAL, Vol.55(1) : 61-69, 2014 
Journal Title
Issue Date
Aged ; Female ; Gastrectomy ; Humans ; Lymph Node Excision/methods* ; Male ; Middle Aged ; Stomach Neoplasms/diagnosis* ; Stomach Neoplasms/surgery*
Gastric cancer ; gastrectomy ; lymph node dissection ; survival
PURPOSE: To identify the effect of insufficient lymph node dissection (LND) on the survival of patients with pT2 gastric cancer. MATERIALS AND METHODS: A total of 340 patients (120 patients with insufficient LND and others with D2 LND) who underwent gastrectomy for pT2 gastric cancer between January 2008 and December 2010 were included. RESULTS: The incidence of preoperatively diagnosed early gastric cancer was higher and there were fewer metastatic lymph nodes (LNs) in the insufficient LND group than the D2 group, but there was no survival difference between two groups (p=0.365). Among the 89 patients with metastatic LNs after D2 LND, 13 patients (14.6%) had metastatic LNs at selected N2 stations (#10, 11, or 12a), but none of these patients were in the pN1 category. One patient had five metastatic LNs at station #11p with no metastatic LNs at any other stations. The number of metastatic LNs was identified as the only risk factor for LN metastasis at selected N2 stations by logistic regression. CONCLUSION: If a patient has pN0 or pN1 category after insufficient LND for pT2 gastric cancer, the surgery can be regarded as secure. However, for patients with pN2 or pN3 category, more careful examination is required.
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1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
Yonsei Authors
Kang, Dae Ryong(강대용)
Kwon, In Gyu(권인규) ORCID logo https://orcid.org/0000-0002-1489-467X
Noh, Sung Hoon(노성훈) ORCID logo https://orcid.org/0000-0003-4386-6886
Cho, In(조인)
Choi, Yoon Young(최윤영) ORCID logo https://orcid.org/0000-0002-2179-7851
Hyung, Woo Jin(형우진) ORCID logo https://orcid.org/0000-0002-8593-9214
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