title: Fiberoptic endoscopy, biopsy and directed brush cytology in esophageal carcinoma.
mesh_terms: D001706:Biopsy; D002277:Carcinoma / Q000175:diagnosis* / Q000473:pathology; D003581:Cytodiagnosis / Q000295:instrumentation; D004724:Endoscopy / Q000379:methods; D004938:Esophageal Neoplasms / Q000175:diagnosis* / Q000473:pathology; D005260:Female; D005336:Fiber Optic Technology; D006801:Humans; D008297:Male; D008875:Middle Aged