Familial breast cancer: risk to the contralateral breast.
D000368:Aged; D001943:Breast Neoplasms / Q000453:epidemiology / Q000235:genetics*; D005260:Female; D006801:Humans; D008593:Menopause; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000453:epidemiology / Q000235:genetics*; D012189:Retrospective Studies; D012306:Risk; D013223:Statistics as Topic; D013997:Time Factors; D014481:United States