A Reig Castillejo1, I Membrive2, P Foro2, J Quera2, X Sanz2, N Rodriguez2, E Fernández-Velilla2, O Pera2, A Ortiz2, M Algara2. 1. Department of Radiation and Oncology, Hospital de l'Esperança, Parc de Salut Mar, C/Sant Josep de la Muntanya, 12, 08024, Barcelona, Spain. areig@parcdesalutmar.cat. 2. Department of Radiation and Oncology, Hospital de l'Esperança, Parc de Salut Mar, C/Sant Josep de la Muntanya, 12, 08024, Barcelona, Spain.
Abstract
INTRODUCTION: Neoadjuvant radiochemotherapy followed by radical surgery is the standard approach in advanced rectal carcinoma. Tumor response is determined in histological specimen. OBJECTIVE: To assess predictive factors for survival in 115 patients. PATIENTS AND METHOD: 115 patients treated with neoadjuvant radiochemotherapy followed by radical surgery with total mesorectal excision, in our hospital from January 2007 to December 2014. All patients received pelvic radiotherapy with concomitant chemotherapy, followed by radical surgery and in some adjuvant chemotherapy. RESULTS: In univariate analysis, distance to anal verge, radial margin, perineural invasion, and good grade regression are predictive factors for both, specific and disease free survival; and in multivariant, only radial margin and perineural invasion were predictive factors for survival. We found distance to anal verge (<5 cm) as the only clinical factor to predict a positive margin in the histologic specimen. CONCLUSIONS: Perineural invasion and positive radial margin are predictive factors for both specific and disease free survival.
INTRODUCTION: Neoadjuvant radiochemotherapy followed by radical surgery is the standard approach in advanced rectal carcinoma. Tumor response is determined in histological specimen. OBJECTIVE: To assess predictive factors for survival in 115 patients. PATIENTS AND METHOD: 115 patients treated with neoadjuvant radiochemotherapy followed by radical surgery with total mesorectal excision, in our hospital from January 2007 to December 2014. All patients received pelvic radiotherapy with concomitant chemotherapy, followed by radical surgery and in some adjuvant chemotherapy. RESULTS: In univariate analysis, distance to anal verge, radial margin, perineural invasion, and good grade regression are predictive factors for both, specific and disease free survival; and in multivariant, only radial margin and perineural invasion were predictive factors for survival. We found distance to anal verge (<5 cm) as the only clinical factor to predict a positive margin in the histologic specimen. CONCLUSIONS: Perineural invasion and positive radial margin are predictive factors for both specific and disease free survival.
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