Incidental finding of carcinoid tumor on Meckel's diverticulum: case report and literature review, should prophylactic resection be recommended? - Caracappa D; Gullà N; Lombardo F; Burini G; Castellani E; Boselli C; Gemini A; Burattini MF; Covarelli P; Noya G (World journal of surgical oncology, 2014)