Second primary cancers of the breast: incidence and risk factors.

  title={Second primary cancers of the breast: incidence and risk factors.},
  author={T. Greg Hislop and J Mark Elwood and Andrew J. Coldman and John Spinelli and Ann J. Worth and L. G. Ellison},
  journal={BMC Cardiovascular Disorders},
  pages={25 - 25}
Between 1946 and 1976 over 9,000 women with breast cancer were seen within one year of diagnosis at the A. Maxwell Evans Clinic (AMEC) in Vancouver, British Columbia. By 1978, 275 had a subsequent diagnosis of a second primary in the contralateral breast: 100 were diagnosed within 1 year, and 175 after 1 year of the first primary. Two separate comparison groups of AMEC patients with unilateral breast cancer were selected to identify risk factors for bilateral breast cancer and to determine the… CONTINUE READING