Outcomes of Immediate Internal Pudendal Artery Perforator Flap Reconstruction for Irradiated Abdominoperineal Resection Defects - Coltro, Pedro S.; Busnardo, Fábio F.; Mônaco Filho, Franklin C.; Olivan, Marcelo V.; Millan, Lincoln S.; Grillo, Victor A.; Marques, Carlos F.; Nahas, Caio Sérgio Rizkallah; Nahas, Sergio Carlos; Ribeiro Junior, Ulysses; Gemperli, Rolf (Diseases of the Colon & Rectum, 2017)