Metastatic brain tumors are brain tumors that originate in tissues or organs outside of the brain. Brain metastasis is a common complication of systemic cancer, causing morbidity and mortality in cancer patients. Metastatic brain tumors are the most common intracranial tumors, or intracranial tumors, with a possibly increasing incidence.

Treatment of brain metastatic cancer by brain radiosurgery (STEREOTACTIC RADIOSURGERY - SRS) is the most modern brain radiotherapy technique in Southeast Asia today. This technique has only been applied at the world's leading radiation therapy centers for about 10 years now.

The rate at which a brain tumor grows depends on several factors, such as the location of the brain tumor. Because it will determine how much it affects the function of the nervous system. Furthermore, the choice of treatments for brain tumors also depends on the location of the tumor, the type of tumor acquired, and the size of the tumor.