Anastrozole is a medicine often used to treat breast cancer. It belongs to a class of medications known as aromatase inhibitors, which function by inhibiting the body's estrogen production. Estrogen can promote the growth of certain types of breast cancer, therefore lowering it can help halt or stop the disease's progression. Anastrozole is frequently recommended to postmenopausal women who have hormone receptor-positive breast cancer. It is frequently used as part of a larger treatment strategy that may include surgery, radiation therapy, and other drugs. Patients should understand how anastrozole works, as well as the potential side effects and interactions with medications. 

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