Is primary brain cancer considered a pretty rare disease?

6/100,000: According to national cancer institute primary brain cancer affects about 6 people in 100, 000 and is a common cause of cancer death in those under 35. For more information consult the following site. http://www.ehow.com/facts_4827962_incidence-brain-cancer.html.

There are: 5.7 cases/100k population. Glioblastoma is the most frequent type, and in a 2000 seer report, median survival is about 7 mos. M:f, 6;4; wht:blk, 9:1.