Which Statement Correctly Informs a Provider's Decision Regarding Whether to Order

Which statement correctly informs a provider's decision regarding whether to order an antiestrogen drug or an aromatase inhibitor for treatment of breast cancer.

A) Antiestrogen drugs decrease the risk for thromboembolic events.
B) Antiestrogen drugs increase the risk for endometrial cancer.
C) Aromatase inhibitors block the production of estrogen by the ovaries.
D) Aromatase inhibitors can be used for tumor cells that lack estrogen receptors.