Brain tumor is any intracranial tumor created by abnormal and uncontrolled cell division, normally either in the brain itself ,lymphatic tissue, in the nerves (myelin-producing cells), in the brain envelopes (meninges), skull, pituitary and gland, or spread from cancers primarily located in other organs (metastatic tumors). In the States in the year 2005, it was estimated that there were 43,800 new cases of brain tumors, which accounted for 1.4 percent of all cancers....
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