Sally-Ann Roberts / Eyewitness News Email: sroberts@wwltv.com NEW ORLEANS -- Ollie Green has broken new ground. The 17-year-old is the first sickle cell patient to undergo a bone marrow transplant from an unrelated donor at Children's Hospital, and if you wonder how critical this donation is, just ask Ollie's doctor. “We've been checking him...so he is cured of sickle cell disease,” says Dr ...