How do you find the words to say thank you to the person who gave you a second chance at life? John Ciempa, 66, finally got to thank the man who provided him with life-saving bone marrow. He was diagnosed with MDS, a cancer of the bone marrow cells. In 2012, he received a bone marrow transplant from New York City firefighter Christopher Howard that turned his prognosis around. Howard made the donation in honor of his father and best friend, both firefighters killed in the 9/11 attacks.
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