Diagnosed early in childhood with cystic fibrosis, Emma Greene and Tiffany Senter were for several years able to lead relatively normal lives by managing their disease with medication and machines to help them breathe. But both were eventually sidelined by their condition, which can result in life-threatening lung infections and serious digestion problems. The California teens, who at the time didn't know each other, sought treatment at Lucile Packard Children's Hospital and, as the above KGO-TV segment explains, their time there led to a strong friendship.
Previously: Building a new lung, one cell at a time?, A story from the edge of medical possibility: Operatic soprano sings after double lung transplant and Image of the Week: First heart-lung transplant
