Dogs bring ‘a little light’ into ‘nightmare’ of childhood cancer

(CNN)Squeals of pleasure echo around the space at Vanderbilt’s Children’s Hospital in Nashville, Tennessee. Nine-year-old cancer survivor Bryce Greenwell relies on his mom, Jenny. “Did you understand about this?” he asks, hands cupped to his face in surprise. “Oh, my gosh, he has actually missed you people a lot!” family...
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