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01-09-2013 | Original Research

A Population-Based Comparison of Overall and Disease-Specific Survival Following Local Excision or Abdominoperineal Resection for Stage I Rectal Adenocarcinoma

Authors: Michelle Olsheski, David Schwartz, Justin Rineer, Angela Wortham, Sonal Sura, Gainosuke Sugiyama, Marvin Rotman, David Schreiber

Published in: Journal of Gastrointestinal Cancer | Issue 3/2013

Abstract

Purpose

The use of local excision (LE) for early stage rectal adenocarcinoma is increasing due to the associated morbidity of radical resection. To determine if survival in stage I rectal cancer differs following LE or abdominoperineal resection (APR), we analyzed the Surveillance, Epidemiology, and End Results Database.

Material and Methods

We selected patients diagnosed between 1988 and 2002 with T1-2N0M0 rectal adenocarcinoma measuring ≤4 cm who underwent either local excision with (LE + RT) or without adjuvant radiation (LE alone) or APR alone. Overall survival (OS) and disease-specific survival (DSS) curves were calculated using the Kaplan–Meier method. Univariate and multivariate Cox regression was also performed to determine the effect of covariates on OS and DSS.

Results

A total of 2,391 patients were identified including 981 (41 %) treated with APR, 1,018 (43 %) treated with LE alone, and 392 (16 %) treated with LE + RT. With a median follow-up of 69 months, there was no difference in OS or DSS seen between the three groups (p > 0.05 for all comparisons). When stratifying by T-stage, there was a significant difference in overall survival between LE alone and APR for T2 disease. However, there was no difference in DSS between these two subgroups. There were no other significant survival differences between all comparable subgroups.

Conclusions

In this large population-based study, there was no difference in long-term DSS between patients who underwent an APR compared to selected patients who underwent LE with or without adjuvant radiation. Although these data further reinforce the promising data regarding the selected use of LE, further prospective studies are needed to further elucidate the role of LE in this setting.

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Title: A Population-Based Comparison of Overall and Disease-Specific Survival Following Local Excision or Abdominoperineal Resection for Stage I Rectal Adenocarcinoma
Authors: Michelle Olsheski
David Schwartz
Justin Rineer
Angela Wortham
Sonal Sura
Gainosuke Sugiyama
Marvin Rotman
David Schreiber
Publication date: 01-09-2013
Publisher: Springer US
Published in: Journal of Gastrointestinal Cancer / Issue 3/2013
Print ISSN: 1941-6628
Electronic ISSN: 1941-6636
DOI: https://doi.org/10.1007/s12029-013-9493-7

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