[Influence of preoperative (hyperthermic) radiochemotherapy on manometric anal sphincter function in locally advanced rectal cancer].

Background And Purpose: Preoperative radiochemotherapy (RCT) followed by curative surgery is a well-accepted therapeutic option in the treatment of advanced rectal cancer. Usually, the anal sphincter is located in the irradiation area of a preoperative RCT regime. The aim of this study is to evaluate the influence of preoperative RCT on anal sphincter function.