Extensive colorectal lymphomatous polyposis complicated by acute intestinal obstruction: a case report - Waisberg, Jaques; Anderi, Amanda do Val; Cardoso, Pedro Augusto Soffner; Borducchi, José Henrique Miranda; Germini, Demétrius Eduardo; Franco, Maria Isete Fares; Vasconcellos, Cidia (Journal of Medical Case Reports, 2017)