Mayo Clinic Doctor Andrea Cheville says radiation may destroy arm-draining lymph nodes. Once they're damaged, the risk of lymphedema rises, so does the risk of infection. "It's unattractive and so I think socially it's a very difficult condition for people. Our best hope is to prevent people from getting it," says Dr. Cheville.

WNDU (Ind.), Maureen McFadden, 10/28/11

Tags: Breast Cancer