Early and Late Functional Outcomes of Anal Sphincter-Sparing Procedures With Total Mesorectal Excision for Anorectal Adenocarcinoma oleh Osama Eldamshety, Sherif Kotb, Ashraf Khater, Waleed Elnahas, Sameh Roshdy, Mohamed S. Zahi, Hend M.H. Rashed Elkalla, Omar Farouk, Ahmed Senbel, Adel Fathi, Emad-Eldeen Hamed, Khaled Abdelwahab, Islam A. Elzahby, Ahmed abdallah, Mahmoud Abdelaziz, Emanuele Lezoche