title: Collision tumor with three components at esophagogastric junction.
abstract: We report a 70-year-old man with a collision tumor consisting of three neoplasms at the gastroesophageal junction. The component tumors were squamous carcinoma at the esophageal and, adenocarcinoma at the gastric end, and leiomyoma within.
authors.affiliation: Department of Pathology, Tata Memorial Hospital, Mumbai.
authors.forename: S A
authors.initials: SA
authors.lastname: Pai
authors.forename: N
authors.initials: N
authors.lastname: Kher
authors.forename: S
authors.initials: S
authors.lastname: Krishnamurthy
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology* / Q000601:surgery; D000368:Aged; D001706:Biopsy; D002294:Carcinoma, Squamous Cell / Q000473:pathology* / Q000601:surgery; D003937:Diagnosis, Differential; D004938:Esophageal Neoplasms / Q000473:pathology* / Q000601:surgery; D016629:Esophagectomy; D004943:Esophagogastric Junction / Q000473:pathology; D006801:Humans; D007889:Leiomyoma / Q000473:pathology* / Q000601:surgery; D008297:Male; D009361:Neoplasm Invasiveness; D009378:Neoplasms, Multiple Primary / Q000473:pathology* / Q000601:surgery; D013274:Stomach Neoplasms / Q000473:pathology* / Q000601:surgery