Katie Karp remembers the day when she was diagnosed with cancer very well. The diagnosis of osteosarcoma in her left leg was unexpected and quite a blow, but Katie was not going to let cancer win. She's a fighter. Through dozens of chemotherapy treatments and surgery that resulted in 11" of her thigh bone being removed, Katie persevered. Watch her amazing story and how she's used her experience with cancer to help children currently going through their own battle.
