title: Cancer of the gastrointestinal tract. I. Esophagus: detection and diagnosis.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis; D003937:Diagnosis, Differential; D004938:Esophageal Neoplasms / Q000145:classification / Q000175:diagnosis* / Q000401:mortality / Q000473:pathology; D004945:Esophagoscopy; D005260:Female; D005336:Fiber Optic Technology; D006469:Hemoptysis / Q000209:etiology; D006801:Humans; D008207:Lymphatic Metastasis; D008297:Male; D008875:Middle Aged; D012737:Sex Factors