%0 Journal Article
%A Tian, Yu
%A Kharazmi, Elhamalsadat
%A Sundquist, Kristina
%A Sundquist, Jan
%A Brenner, Hermann
%A Fallah, Mahdi
%T Familial colorectal cancer risk in half siblings and siblings: nationwide cohort study.
%J The BMJ
%V 364
%@ 0959-8138
%C London
%I British Medical Association56099
%M DKFZ-2019-00840
%P l803
%D 2019
%X To explore the risk of colorectal cancer in family members of patients with colorectal cancer, with an emphasis on subtypes of second degree relatives, especially half siblings, which were lacking in the literature.Ambidirectional cohort study.Nationwide Swedish Family Cancer Data (record linkage).All people residing in Sweden and born after 1931, with their biological parents, totalling >16 million individuals (follow-up: 1958-2015); of those with clear genealogy, 173 796 developed colorectal cancer.Lifetime (0-79 years) cumulative risk and standardised incidence ratio of colorectal cancer among first degree relatives and second degree relatives.The overall lifetime cumulative risk of colorectal cancer in siblings of patients was 7
%F PUB:(DE-HGF)16
%9 Journal Article
%$ pmid:30872356
%R 10.1136/bmj.l803
%U https://inrepo02.dkfz.de/record/143242