The signs and symptoms of adult brain and spinal cord tumors are not the same in every person. Up to half of metastatic brain tumors are from lung cancer.
Majority of the brain tumors in adults are secondary or metastatic tumors, i.e. cancers that are primarily located in other organs may spread to.
Additional article information Glioblastoma, the most common malignant tumour of the brain, has a median survival of less than 12 months. . This frequency increases in older adults: the mean age of onset for glioblastoma is 53 years. false-positive diagnosis, based solely on mri, of either metastatic or primary cancer.