dr. risika sees here are not as far gone as sufiatu. epair their hearts, none of them have long to live. >> risika: she's ready for surgery. >> ward: and emergency can only afford to save a handful of them. after two days in the hospital, sufiatu was able to walk on her own, enough for the doctors to declare her fit to travel. she joined mariata and three other very sick children who gathered with their mothers for the trip. together, they set out on the 4,000 mile journey to sudan. none of the kids, or their mothers, had ever traveled so far-- never been on a ferry, never taken a flight, never been to another country. by the last leg of the trip, sufiatu was fading, and by the time they landed, she had to be rushed by ambulance to the salaam center. >> risika: she's very weak. >> ward: she was taken into surgery the very next day. >> risika: metzenbaum... >> ward: dr. strada invited us to watch the operation... >> risika: there's the heart. >> ward: ...and explained what he was doing. so, you're preparing now to stop her heart completel