LOS ANGELES, March 18, 2018 /PRNewswire-USNewswire/ — The Society of Interventional Radiology (SIR) presented its highest honor, the SIR Gold Medal, to Karim Valji, M.D., FSIR; John A. Kaufman, M.D., M.S., FSIR; and Renate L. Soulen, M.D., FSIR, during its Annual Scientific Meeting in Los…