Endoscopic radial incision and cutting procedure for a colorectal anastomotic stricture - Kawaguti, Fabio Shiguehissa; Martins, Bruno da Costa; Nahas, Caio Sergio Rizkallah; Marques, Carlos Frederico Sparapan; Ribeiro, Ulysses; Nahas, Sergio Carlos; Maluf-Filho, Fauze (Gastrointestinal endoscopy, 2015)