MITCHELL, S.D. (MITCHELLNOW) The Avera High Risk Breast Clinic in Sioux Falls has expanded with a new location in Mitchell. Charissa Etrheim, MD, who practices in the Access Health Family Medicine clinic on the Avera Grassland Health Campus is trained as a high-risk breast provider who works with a team of genetic counselors and breast surgeons to personalize the best plan for each patient at a higher risk of developing breast cancer throughout their lifetime. Learn more at http://www.avera.org/…/breast-cancer/high-risk-clinic/.