There are almost 400,000 survivors of childhood cancer in the United States and most are expected to live until adulthood. But toxic treatment comes with a price, including serious medical problems for most patients years down the road. Now the most comprehensive study of its kind has found that many problems go undetected.

At age 7, Marnie Golden was diagnosed with Non-Hodgkins lymphoma.

Listen to the interview and read article here: http://www.cbsnews.com/8301-18563_162-57589497/for-child-cancer-survivors-tr