Ferri, João Victor Vecchi, Valeria Pirez Gornatti, and Talita Vila Martins. “Synchronous Primary Lung and Rectal Malignancies: Case Report and Literature Review”. Revista de Medicina 95, no. 3 (December 15, 2016): 152–155. Accessed May 17, 2024. https://www.periodicos.usp.br/revistadc/article/view/117135.