Brain tumor - metastatic (secondary); Cancer - brain tumor (metastatic)
Causes, incidence, and risk factors
Many tumor or cancer types can spread to the brain, the most common being
Growing brain tumors may place pressure on nearby parts of the brain. Brain swelling due to these tumors also causes increased
Metastatic brain tumors are classified depending on the exact site of the tumor within the brain, type of tissue involved, original location of the tumor, and other factors. Rarely, a tumor can spread to the brain, yet the original site or location of the tumor is unknown. This is called cancer of unknown primary (CUP) origin.
Metastatic brain tumors occur in about one-fourth of all cancers that metastasize (spread through the body). They are much more common than