title: Collision tumour of sigmoid colon--a rare presentation.
authors.forename: G
authors.initials: G
authors.lastname: Sathya
authors.forename: G
authors.initials: G
authors.lastname: Ramkumar
authors.forename: P
authors.initials: P
authors.lastname: Ganesh
authors.forename: S
authors.initials: S
authors.lastname: Jeevan Kumar
mesh_terms: D000236:Adenoma / Q000473:pathology*; D000368:Aged; D006801:Humans; D007150:Immunohistochemistry; D016393:Lymphoma, B-Cell / Q000473:pathology*; D008297:Male; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D012811:Sigmoid Neoplasms / Q000473:pathology*