Achalasia and esophageal carcinoma. Studies in early diagnosis for improved surgical management.
D000328:Adult; D000368:Aged; D001706:Biopsy; D002294:Carcinoma, Squamous Cell / Q000209:etiology*; D004931:Esophageal Achalasia / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D004938:Esophageal Neoplasms / Q000175:diagnosis / Q000209:etiology* / Q000601:surgery; D004945:Esophagoscopy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged