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Brain Metastases is a cancer that has spread to the brain from another site in the body, commonly the lung or breast. Other primary tumors that metastasize to the brain include melanoma , sarcomas, and tumors arising in the kidney or colon. In addition, unknown primaries sometimes present with brain metastases. The incidence of brain metastasis is far more prevalent than primary brain cancer. When a cancer spreads (metastasizes) from its original site to another area of the body, it is termed metastatic cancer. Virtually all cancers have the potential to develop this way. Whether metastases do develop depends on the complex interaction of many tumor cell factors, most of which are not completely understood. Metastases spread in three ways - by local extension from the tumor to the surrounding tissues; through the bloodstream to distant sites; or through the lymphatic system to neighboring or distant lymph nodes. Each kind of cancer may have a typical route of spread. Many patients have no ...
Metastases to the liver; Metastatic liver cancer; Liver cancer - metastatic
Treatment depends on:
The primary cancer site
How many liver tumors you have
Whether it has spread to other organs besides the liver
Your overall health
When the cancer has spread to the liver and other organs, whole-body (systemic) chemotherapy is usually used.
When the spread is limited to the liver, systemic chemotherapy may still be used. However, other treatment methods may be effective. When the tumor is only in one or a few areas of the liver, the cancer may be removed with surgery.
The use of radiofrequency waves or injection of toxic substances may also be used to kill tumors. When larger areas of the liver are involved, treatment may involve giving chemotherapy directly into the liver, or a procedure called embolization, which blocks blood flow to parts of the liver to "starve" the tumor cells.
Radiation Therapy Radiation therapy may be used as an initial treatment for localized prostate cancer. It may also be used as treatment for cancer that has not been fully removed or has recurred after surgery. In advanced cancer, radiation therapy is used to shrink the size of the tumor and relieve symptoms. Radiation therapy used to be reserved for older men (over age 70) with locally advanced prostate cancer who had a life expectancy of 15 years or less. However, it is now being used more frequently in younger and healthier men. The two main radiation treatments for prostate cancer are: External beam radiation Brachytherapy (internal radiation) Both treatments have generally equal success rates. In some cases, both techniques may be used in high-risk patients. External Beam Radiation In external beam radiation therapy, a doctor focuses a beam of radiation directly on the tumor for 35 three-minute treatments given five times a week over 7 weeks. Three-dimensional (3-D) conformal techniques u...
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