NCT04795609 2021-03-12Effect of a Post-operative Protocol of Early Mobilization on Functional Recovery and Postoperative Complications After Immediate Internal Pudendal Artery Perforator Flap Reconstruction for Irradiated Abdominoperineal Resection Defects: a Prospective, Randomized and Controlled Clinical Study.Instituto do Cancer do Estado de São PauloPhase NA Unknown32 enrolled