Katie Hayes isn't yet a year old, but she's already experienced a miracle. When she was just a few weeks old, doctors found a tumor covering more than 60 percent of her brain. At two months old, Katie was undergoing chemotherapy treatments, but her parents say the side effects weren't as bad as they expected. That's because doctors say babies as young as Katie have better outcomes battling this type of glioblastoma than older children and adults. InsideEdition.com's Mara Montalbano has more.