title: Squamous cell and neuroendocrine carcinoma of esophagus: Collision versus composite tumor: A case report and review of literature.
authors.affiliation: Department of Medical Oncology, Ankara Numune Education and Research Hospital, Ankara, Turkey.
authors.forename: Ozan
authors.initials: O
authors.lastname: Yazıcı
authors.forename: Sercan
authors.initials: S
authors.lastname: Aksoy
authors.forename: Esra Uçaryılmaz
authors.initials: EU
authors.lastname: Özhamam
authors.forename: Nurullah
authors.initials: N
authors.lastname: Zengin
mesh_terms: D000368:Aged; D018278:Carcinoma, Neuroendocrine / Q000175:diagnosis* / Q000473:pathology; D004847:Epithelial Cells / Q000378:metabolism*; D004938:Esophageal Neoplasms / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged