"When I saw this story, my heart literally fell": Oncologist reacts to lost stem cells
Dozens of children fighting cancer lost a vital safety net, after the accidental destruction of their frozen stem cells at California hospital. Children’s Hospital Los Angeles said a freezer storing the blood stem cells malfunctioned earlier this month. The cells of 56 pediatric cancer patients were lost. Carter Evans reports and Dr. David Agus comments on why the loss of these cells is so devastating.