It all started with a headache. Back in 2010, Kelsey Stewart
thought the new head pain he had been feeling was a sinus
infection. He saw a doctor, who prescribed him some anti-
inflammatory medication that he hoped would take care of the
problem. But once he started vomiting uncontrollably -- one day,
he recalls, he vomited 21 times -- he went to the hospital for
further evaluation. There, a CT scan of his head and further
testing revealed the bleak truth: Stewart had brain cancer. And
it was not just any kind, but a grade 4 glioblastoma multiforme
(GBM). GBM is a very aggressive kind of cancer known for its
grim prognosis. "We were terrified," Stewart says. "Everything
you read about GBMs is just death everywhere, death, death,
death. My neuro-oncologist said she's never seen anyone survive
this." Doctors told him that, without surgery, he was not
expected to live more than a year. But even with surgery, risks
were high. Operations to remove brain tumors are complicated.
They are located in the delicate brain