Katerina Doyrev is a 55-year-old patient previously treated for breast cancer. Her cancer has returned and has metastasized. She was previously treated with chemotherapy and radiation. She has had no treatment in 18 months. She has a husband and two teenaged children and works full time as a teacher. She is tearful and very frightened about this development. Which antineoplastic agent is likely to be prescribed for Katerina?
a. Leuprolide acetate (Lupron Depot).
b. Any platinum agent.
c. Vincristine.
d. Tamoxifen.
