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Prognostic significance of circumferential resection margin following total mesorectal excision and adjuvant chemoradiotherapy in patients with rectal cancer

Authors
 Seung Hyuk Baik  ;  Nam Kyu Kim  ;  Chang Hwan Cho  ;  Seung Kook Sohn  ;  Kang Young Lee  ;  Hoguen Kim  ;  Young Chan Lee 
Citation
 ANNALS OF SURGICAL ONCOLOGY, Vol.14(2) : 462-469, 2007 
Journal Title
 ANNALS OF SURGICAL ONCOLOGY 
ISSN
 1068-9265 
Issue Date
2007
Abstract
BACKGROUND: This study was designed to evaluate the prognostic value of circumferential resection margin (CRM) in rectal cancer patients who underwent curative resection with adjuvant chemoradiotherapy (CRT). METHODS: We studied 504 patients who underwent total mesorectal excision with adjuvant CRT for rectal cancer between 1997 and 2001. The patients were divided into two groups: a negative CRM group (CRM > 1 mm) and a positive CRM group (CRM <or= 1 mm). The survival rates, local recurrence rates, and systemic recurrence rates were compared between groups. RESULTS: The negative CRM group had 460 patients and the positive CRM group had 44 patients. The 5-year local and systemic recurrence rates were 11.3 and 25.3%, respectively, in the negative CRM group and 35.2 and 60.8% in the positive CRM group, respectively. The cancer-specific 5-year survival rates for the two groups were 72.5 and 26.9% (P < .001), respectively. CRM was found to be an independent prognostic factor by multivariate analyses which were adjusted for known outcome predictors (P < .001). CONCLUSION: Oncological outcome for patients in the positive CRM group is less favorable than for those in the negative CRM group. Adjuvant CRT is not a definite treatment modality that can be used to compensate for a positive CRM following TME and adjuvant CRT in patients with TNM stage II or III rectal cancer.
Full Text
http://link.springer.com/article/10.1245%2Fs10434-006-9171-0
DOI
10.1245/s10434-006-9171-0
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
Yonsei Authors
Kim, Nam Kyu(김남규) ORCID logo https://orcid.org/0000-0003-0639-5632
Kim, Ho Keun(김호근)
Baik, Seung Hyuk(백승혁) ORCID logo https://orcid.org/0000-0003-4183-2332
Sohn, Seung Kook(손승국)
Lee, Kang Young(이강영)
Lee, Young Chan(이영찬)
Cho, Chang Hwan(조장환)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/95620
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