He’s frail, but a fighter. Three cancers. Three years. But Fred, who’s only 24 years old, can only take so much — and the toughest challenge lies ahead. What started as “flu symptoms and a toothache” at 21 turned into a nightmare — a diagnosis of acute myeloid leukemia, months of chemo, and a bone marrow transplant that was supposed to save him. For a while, it did. But six months later, the cancer came back. He survived near-death infections, endless transfusions, and more chemo than his body s