HER2-positive Metastatic Breast Cancer at a Glance: HER2-positive metastatic breast cancer is a specific type of breast cancer that has spread to other areas in the body.
Breast cancer is the most common form of cancer diagnosed in women, and approximately 15% of all breast cancers are HER2-positive.
Although HER2-positive breast cancer can grow and spread more rapidly than other cancers, there are many different treatments available for individuals diagnosed with HER2-positive cancer.
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