Surgery, tamoxifen, and breast cancer in the elderly.
D000368:Aged; D000369:Aged, 80 and over; D001943:Breast Neoplasms / Q000188:drug therapy* / Q000601:surgery; D005260:Female; D006801:Humans; D013629:Tamoxifen / Q000627:therapeutic use*
D013629:Tamoxifen