Cancer and appendectomy.
D001062:Appendectomy / Q000009:adverse effects*; D002763:Cholecystectomy / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008297:Male; D009369:Neoplasms / Q000453:epidemiology* / Q000209:etiology*; D012606:Scotland; D014068:Tonsillectomy / Q000009:adverse effects*