[Case of achalasia with esophageal cancer; bibliography].
D002294:Carcinoma, Squamous Cell / Q000150:complications*; D004931:Esophageal Achalasia / Q000150:complications*; D004938:Esophageal Neoplasms / Q000150:complications* / Q000601:surgery; D005260:Female; D006801:Humans; D008875:Middle Aged