Endoluminal appendectomy: the first description in humans for acute appendicitis - Artifon, Everson L A; Uemura, Ricardo Sato; Furuya Júnior, Carlos Kiyoshi; Santos, Carolina Manna; Coca, Diego Soares; Guedes, Hugo Gonçalo; Otoch, José Pinhata (Endoscopy, 2017)