Large-bowel cancer in married couples in Sweden. A follow-up study

The cause of death in 1951-1977 and cancer morbidity in 1959-73 were determined in 1094 (99.6%) eligible spouses of 1716 persons in Sweden who died from colon and rectum cancer in 1961. The risk of colorectal cancer and other possibly aetiologically related diseases was no higher in the spouses than in a matched population.