title: Cholecystectomy and the risk of colorectal cancer in Italy.
abstract: In two case-control studies from Italy covering 3533 cases of colorectal cancer and 7062 hospital controls, the odds ratios were 1.04 after cholecystectomy for colorectal, 1.08 for colon and 1.03 for rectal cancers. The results did not differ significantly by gender, colon subsite or time since diagnosis.
authors.affiliation: Istituto di Ricerche Farmacologiche Mario Negri, via Eritrea 62, 20157 Milan, Italy. altieri@marionegri.it
authors.forename: A
authors.initials: A
authors.lastname: Altieri
authors.forename: C
authors.initials: C
authors.lastname: Pelucchi
authors.forename: R
authors.initials: R
authors.lastname: Talamini
authors.forename: C
authors.initials: C
authors.lastname: Bosetti
authors.forename: S
authors.initials: S
authors.lastname: Franceschi
authors.forename: C
authors.initials: C
authors.lastname: La Vecchia
mesh_terms: D000328:Adult; D000368:Aged; D016022:Case-Control Studies; D002763:Cholecystectomy / Q000009:adverse effects*; D002769:Cholelithiasis / Q000601:surgery; D015179:Colorectal Neoplasms / Q000209:etiology*; D005260:Female; D006801:Humans; D007558:Italy / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D013997:Time Factors