shortly after jonathan sanchez was born, he was diagnosed with cystic fibrosis, which is a progressive disease that damages the lungs and other organs in the body. cystic fibrosis is thehereditar. it has no cure. anyone with cystic fibrosis needs serious, smart medical care. in part so jonathan could get treatment for his cystic fibrosis at boston's children hospital. he has been getting treatment there and that treatment has been keeping him alive. jonathan's mother says, quote, when he came here he was practically dying. in these last three years, we have been able to save him. the family initially had a tourist visa when they came to boston, but when that visa ran out, the family applied to stay in this country legally under a program that's called medical deferred action. medical deferred action allows