title: Primary epidermoid epithelioma of the upper mediastinum.
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000000981:diagnostic imaging* / Q000473:pathology / Q000628:therapy; D004947:Esophagus / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology / Q000628:therapy; D008875:Middle Aged; D014057:Tomography, X-Ray Computed