Pouch cancer in familial adenomatous polyposis. Incidence, risk factors and literature review: a propos of three rare cases. - Campos FG; Martinez CAR; Moura RN; Safatle-Ribeiro AV; Marques CFS; Ribeiro Junior U; Herman P (Arquivos brasileiros de cirurgia digestiva : ABCD = Brazilian archives of digestive surgery, 2026)