Reeves, Gillian K; Pirie, Kirstin; Green, Jane; Bull, Diana; Beral, Valerie; Million Women Study, Collaborators; Banks, Emily
Little is known about the etiology of in situ ductal breast cancer (DCIS) or what influences its possible progression to invasive ductal disease. Comparison of risk factors for DCIS and invasive ductal cancer may throw some light on these issues. We estimated relative risks for DCIS and invasive ductal breast cancer according to 12 genetic and eight environmental risk factors among 1.1 million postmenopausal women in a large prospective UK study. There was no strong evidence of a different...[Show more]
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