{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,4]],"date-time":"2026-03-04T00:41:38Z","timestamp":1772584898093,"version":"3.50.1"},"reference-count":23,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2006,7,17]],"date-time":"2006-07-17T00:00:00Z","timestamp":1153094400000},"content-version":"vor","delay-in-days":4875,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Intl Journal of Cancer"],"published-print":{"date-parts":[[1993,3,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The association between cholecystectomy and subsequent risk for colorectal carcinoma was investigated in a prospective cohort study on diet and cancer (n = 120,852), which is being conducted in the Netherlands from 1986 onwards among 120,852 men and women, aged 55 to 69. After a follow\u2010up period of 3.3 years, 478 incident cases of colorectal cancer (258 men and 220 women) were identified in the cohort, 64 of whom reported at baseline to have undergone previous gall\u2010bladder surgery (21 men and 43 women). After adjustment for age and familial history of large\u2010bowel cancer, the relative rate (RR) for colorectal cancer in subjects who had undergone cholecystectomy compared with those who had not was 1.81 in men (<jats:italic>p<\/jats:italic>=0.02) and 1.47 in women (<jats:italic>p<\/jats:italic>=0.05). Additional adjustment for parity, Quetelet index, alcohol intake and other dietary variables resulted in a RR of 1.78 in men and 1.51 in women. In women, the highest RR was detected in the right colon (RR = 1.89), whereas in men, no site within the large bowel accounted specifically for the increased relative rate. In both men and women, the rate appeared to increase from approximately 6 years after cholecystectomy onward. According to the TNM stage of the disease, cholecystectomized patients were not detected at an earlier stage than the other patients. It is concluded that in this study the positive association between colorectal cancer and cholecystectomy cannot be explained by detection bias or ascertainment bias and is not confounded by risk factors for gallstone disease or dietary factors.<\/jats:p>","DOI":"10.1002\/ijc.2910530505","type":"journal-article","created":{"date-parts":[[2007,2,19]],"date-time":"2007-02-19T23:16:06Z","timestamp":1171926966000},"page":"735-739","source":"Crossref","is-referenced-by-count":32,"title":["Cholecystectomy and colorectal cancer: Evidence from a cohort study on diet and cancer"],"prefix":"10.1002","volume":"53","author":[{"given":"R. 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