Breast cancer is the second most common type of cancer that predominantly occurs in women. Almost 1 out of 8 women in the US will suffer from breast cancer in their lifetime.
With the advancement of breast cancer, the cancerous cells start invading other organs. Bones are the most common site for the invasion (metastasis) of breast cancer. When breast cancer spreads to bones, it is also known as secondary breast cancer in bones. It is different from the cancer originating in the bone.