An experimental vaccine shows promise in slowing the return of an aggressive brain tumor
In the fall of 2020, John Wishman was diagnosed with glioblastoma, the deadliest form of brain cancer. Two-and-a-half years later, he’s still traveling and enjoying life, a rarity in cancer, which has an average survival rate of just 12 to 18 months. Wishman, 61, of Buffalo, New York, attributes it to an experimental vaccine designed…