[Achalasia and esophageal cancer].
D000328:Adult; D002294:Carcinoma, Squamous Cell / Q000000981:diagnostic imaging*; D004931:Esophageal Achalasia / Q000000981:diagnostic imaging*; D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography
Achalasia y carcinoma de esófago.