Marisa C Weiss

After a routine mammogram, brest cancer specialist Dr. Marisa Weiss was diagnosed with a breast tumor. The founder of breastcancer.org discusses her diagnosis and treatment -- and how she feels about new mammography guidelines.

Marisa Weiss is co-author of the new book "Living Beyond Breast Cancer: A Survivor's Guide for When Treatment Ends and the Rest of Your Life Begins." (Times Books) WEISS is a radiation oncologist at Paoli Memorial Hospital in Pennsylvania. In 1992, she formed the support network "Living Beyond Breast Cancer" to help survivors and their families.