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Different prognosis of patients with esophageal carcinoma with M1a and regional node involvement

 Tae Ryong Chung  ;  Jie-Hyun Kim  ;  Ik Jae Lee  ;  Yeona Cho  ;  Jun Won Kim  ;  Chang Geol Lee  ;  Da Hyun Jung  ;  Jae Jun Park  ;  Young Hoon Youn  ;  Hyojin Park 
 DIGESTIVE AND LIVER DISEASE, Vol.51(11) : 1610-1616, 2019 
Journal Title
Issue Date
Definitive concurrent chemoradiotherapy ; Esophageal squamous cell carcinoma ; M1a node involvement
BACKGROUND AND PURPOSE: Based on the 6th edition of the American Joint Commission on Cancer (AJCC) staging system for esophageal squamous cell carcinoma (ESCC), M1a node involvement was classified as regional node involvement in the revised 7th/8th edition. However, the clinical significance of M1a node involvement is unclear. Thus, we analyzed the prognostic value of M1a node involvement in patients with ESCC after definitive concurrent chemoradiotherapy (CCRT). MATERIALS AND METHODS: In total, 188 patients with ESCC had M0 disease according to the 7th/8th edition AJCC. We reclassified 31 (16.5%) of these patients as having M1a disease according to the 6th edition. After definitive CCRT, we compared baseline characteristics between the two groups and analyzed the rates of responders and recurrence. Finally, we compared prognoses according to overall survival (OS), disease-specific OS, and disease-free survival (DFS). RESULTS: Among 31 patients reclassified to have M1a disease, 21 (67.7%) had supraclavicular lymph node metastasis and 10 (32.3%) had celiac lymph node metastasis. The number of responders was significantly lower for M1a disease based on univariate (p = 0.004) and multivariate (p = 0.011) analyses. Significantly lower survival rates were observed in individuals with M1a disease (median OS, 16.4 vs. 42.7 months; 5-year OS, 10.8% vs. 41.2%). CONCLUSIONS: M1a node involvement should be differentiated from regional node involvement.
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1. College of Medicine (의과대학) > Dept. of Radiation Oncology (방사선종양학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jun Won(김준원) ORCID logo https://orcid.org/0000-0003-1358-364X
Kim, Jie-Hyun(김지현) ORCID logo https://orcid.org/0000-0002-9198-3326
Park, Jae Jun(박재준)
Park, Hyo Jin(박효진) ORCID logo https://orcid.org/0000-0003-4814-8330
Youn, Young Hoon(윤영훈) ORCID logo https://orcid.org/0000-0002-0071-229X
Lee, Ik Jae(이익재) ORCID logo https://orcid.org/0000-0001-7165-3373
Lee, Chang Geol(이창걸) ORCID logo https://orcid.org/0000-0002-8702-881X
Jung, Da Hyun(정다현)
Cho, Yeona(조연아) ORCID logo https://orcid.org/0000-0002-1202-0880
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