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Common sites of metastasis for breast cancer. Metastatic breast cancer, also referred to as metastases, advanced breast cancer, secondary tumors, secondaries or stage IV breast cancer, is a stage of breast cancer where the breast cancer cells have spread to distant sites beyond the axillary lymph nodes. There is no cure for metastatic breast ...
If the tumor is diagnosed early, breast-saving surgery could be an option, although this is relatively uncommon. In non-metastatic MBC, the most common treatment is mastectomy. If the tumor is metastatic, surgery is no longer a viable option, and treatment generally defaults to aggressive chemotherapy.
In the United States, trastuzumab emtansine was approved specifically for treatment of HER2-positive metastatic breast cancer (mBC) in patients who have been treated previously with trastuzumab and a taxane (paclitaxel or docetaxel), and who have already been treated for mBC or developed tumor recurrence within six months of adjuvant therapy.
Other studies have found that the prognosis of MBC, similar to female breast cancer: depends on their cancer's TNM stage; that stage for stage, the prognoses of MBC appears similar to that in female breast cancer; and that MBC has a somewhat lower 5-year overall survival rate than female breast cancer (82.8% vs. 88.5%, respectively). [21]
The fixed-dose combination of pertuzumab, trastuzumab, and hyaluronidase was approved for medical use in the United States in June 2020. [5] [10]The FDA's approval was based on the results of a non-inferiority study in participants with HER2-positive early breast cancer, which demonstrated the fixed-dose combination of pertuzumab, trastuzumab, and hyaluronidase had comparable efficacy and ...
The tumor in the lung is then called metastatic breast cancer, not lung cancer. Metastasis is a key element in cancer staging systems such as the TNM staging system, where it represents the "M". In overall stage grouping, metastasis places a cancer in Stage IV. The possibilities of curative treatment are greatly reduced, or often entirely ...
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