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Breast cancer can metastasize anywhere in body but primarily metastasizes to the bone, lungs, regional lymph nodes, liver and brain, with the most common site being the bone. [4] Treatment of metastatic breast cancer depends on location of the metastatic tumors and includes surgery, radiation, chemotherapy, biological, and hormonal therapy. [5]
The American Cancer Society reports 5-year relative survival rates of over 70% for women with stage 0-III breast cancer with a 5-year relative survival rate close to 100% for women with stage 0 or stage I breast cancer. The 5-year relative survival rate drops to 22% for women with stage IV breast cancer. [3]
Bone is the third most common location for metastasis, after the lung and liver. [13] While any type of cancer is capable of forming metastatic tumors within bone, the microenvironment of the marrow tends to favor particular types of cancer, including prostate, breast, and lung cancers. [4]
Staging breast cancer is the initial step to help physicians determine the most appropriate course of treatment. As of 2016, guidelines incorporated biologic factors, such as tumor grade, cellular proliferation rate, estrogen and progesterone receptor expression, human epidermal growth factor 2 (HER2) expression, and gene expression profiling into the staging system.
Subsequent research on doxorubicin-containing protocols for the treatment of metastatic breast cancer, found that median progression-free survival (PFS) was 16 and 8 months and median overall survival (OS) was 30 and 17 months, respectively for women who met eligibility criteria versus those who did not, when all received the conventional ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 16 February 2025. Cancer that originates in mammary glands Medical condition Breast cancer An illustration of breast cancer Specialty Surgical oncology Symptoms A lump in a breast, a change in breast shape, dimpling of the skin, fluid from the nipple, a newly inverted nipple, a red scaly patch of skin on ...
A major use of systemic radioisotope therapy is in the treatment of bone metastasis from cancer. The radioisotopes travel selectively to areas of damaged bone, and spare normal undamaged bone. Isotopes commonly used in the treatment of bone metastasis are radium-223, [113] strontium-89 and samarium (153 Sm) lexidronam. [114]
It is used to try to kill any cancer cells that might still exist and cannot be detected through imaging tests. [2] Palliative chemotherapy Palliative chemotherapy is used to control (but not cure) the cancer in settings in which the cancer has spread beyond the breast and localized lymph nodes. See metastatic breast cancer. Combined therapies