He has brain cancer and been told he only has six months to live is there treatments to help him?

No: If he has been told that he only has 6 months to live, that is because it is incurable. Frequently, in these cases, if you insist on treatment, you may spend hundreds of thousands of dollars only to have more side effects without increasing time. Better to enjoy the time left and focus on meds that can increase comfort, .

Radiation therapy: I am sorry for your situation. I am not sure if he has a tumor of the brain or a tumor that has spread from somewhere else to the brain, . This makes an important difference in his treatment options. Either way, though, he can receive radiation therapy to his brain to reduce the chance of it progressing in his brain or causing more symptoms.