It happened to my friend two years ago, but his story had a fortunate ending. He was a runner and kept on running regularly right up to the diagnosis. He was having headaches though, so he went to the doctor. The tumor was so big and so dangerously located that they air lifted him to the hospital within an hour to have immediate surgery. He survived and made a complete recovery mentally and physically. He was back to running within a couple of months and is now back running better than he was before surgery.