From New Orleans: A rare mutation affected an 11-year-old boy's health. Doctors found his immune system was attacking its own red blood cells. A cure seemed possible through a bone marrow transplant. The boy has big dreams, including playing basketball professionally. His condition was identified as STAT1 gain-of-function.

Further details about the boy's condition and treatment are available. A pediatric hematology oncologist was involved in his care.

The boy received a lifesaving stem cell transplant, which doctors consider a crucial treatment for his condition.