• Chemotherapy for Breast Cancer
• Highlights
• Introduction
• Risk Factors
• Prevention and Lifestyle Factors
• Symptoms
• Diagnosis

Hormone Therapy

The goal of hormone therapy is to prevent estrogen from stimulating breast cancer cells. It is recommended for women whose breast cancers are hormone-receptor positive (either estrogen or progesterone), regardless of the size of the tumor and whether or not it has spread to the lymph nodes. Like chemotherapy, hormone therapy works systemically.

Hormone therapy works by blocking estrogen that causes cell proliferation. It is used only for patients with hormone receptor-positive...