Dr. Kris Gast is an Independent Radiation Oncologist in the River Valley of Eastern OK/Western AR. She has been a physician since 1990, and at her current location for 19 years. Her specialties include breast, prostate, lung, lymphoma, rectal, and head and neck cancers. She owns and operates the only physician run clinic in the area while sitting on the board of the local Reynolds Cancer support house and University of AR, school of nursing as well as the Fort Smith Symphony. She teaches pre med students at UAFS. She runs a monthly info commercial covering current topics, answers questions weekly and writes a article monthly for the Southwest Times Record, Cancer Demystified. .