Scientific letters
Malignant transformation in fistula after proctosigmoidectomy: A rare complication of long-standing Crohn's disease
Francisco Vara-Luiza,b,
, Ivo Mendesa, Ana Elisa Telesc, Carla Oliveiraa, Ana Pascoala, Cláudia Afonsoa, Marta Patitaa, Irina Mocanua, Ana Vieiraa, Vítor Fernandesa, Pedro Moniz Pereirad, Jorge Fonsecaa,b
Corresponding author
a Gastroenterology Department, Hospital Garcia de Orta, Almada, Portugal
b Egas Moniz Center for Interdisciplinary Research (CiiEM), Egas Moniz School of Health and Science, Caparica, Portugal
c Pathology Department, Hospital Garcia de Orta, Almada, Portugal
d Surgery Department, Hospital Garcia de Orta, Almada, Portugal
