bethematch.org. and mandy reached out to cnn to let us know that she's receiving donor stem cells as we speak. the cells were flown over from germany and they arrived last night. transplant doctors make life-and-death decisions every day. they choose who will and won't get precious organs in short supply. a new york family says their baby boy was denied a heart for all the wrong reasons. you'll hear their story at 4:30 p.m. eastern time on "sanjay gupta md." next, we'll have some stories that will leave a smile on your face. find out why these dogs made some folks in illinois very happy. [ male announcer ] this is jim, a man who doesn't stand still. but jim has afib, atrial fibrillation -- an irregular heartbeat, not caused by a heart valve problem. that puts jim at a greater risk of stroke. for years, jim's medicine tied him to a monthly trip to the clinic to get his blood tested. but now, with once-a-day xarelto®, jim's on the move.