Carcinoma of the oesophagus and gastric surgery.
D000230:Adenocarcinoma / Q000209:etiology*; D000328:Adult; D000368:Aged; D002277:Carcinoma / Q000209:etiology*; D002294:Carcinoma, Squamous Cell / Q000209:etiology*; D004931:Esophageal Achalasia / Q000150:complications; D004938:Esophageal Neoplasms / Q000453:epidemiology / Q000209:etiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000601:surgery*; D011183:Postoperative Complications; D012004:Rectal Neoplasms / Q000209:etiology; D012737:Sex Factors