title: Synchronous collision malignant melanoma and adenocarcinoma of the rectum.
authors.affiliation: Department of Gastroenterology, Hospital das Clinicas, University of Sao Paulo, Sao Paulo, Brazil.
authors.forename: A R
authors.initials: AR
authors.lastname: Dias
authors.forename: R A
authors.initials: RA
authors.lastname: Pinto
authors.forename: E
authors.initials: E
authors.lastname: Mory
authors.forename: I C
authors.initials: IC
authors.lastname: Silva
authors.forename: S A C
authors.initials: SA
authors.lastname: Siqueira
authors.forename: S C
authors.initials: SC
authors.lastname: Nahas
authors.forename: I
authors.initials: I
authors.lastname: Cecconello
authors.forename: S D
authors.initials: SD
authors.lastname: Wexner
mesh_terms: D000230:Adenocarcinoma / Q000209:etiology / Q000473:pathology* / Q000503:physiopathology; D006801:Humans; D008297:Male; D008545:Melanoma / Q000209:etiology / Q000473:pathology* / Q000503:physiopathology; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000209:etiology / Q000473:pathology* / Q000503:physiopathology; D012004:Rectal Neoplasms / Q000209:etiology / Q000473:pathology* / Q000503:physiopathology