From March 25 to 28, with more than 30,000 participants, the International Annual Conference of Society of Interventional Radiology (SIR) was held in Austin, Texas, U.S.A. At the award ceremony of “Excellent Clinical Papers of 2018” held on March 26, the paper Comparison of Clinical Outcomes of Prostatic Artery Embolization with 50-μm Plus 100-μm Polyvinyl Alcohol (PVA) Particles versus 100-μm PVA Particles Alone: A Prospective Randomized Trial from the Interventional Radiology Department of the First Medical Center of Chinese PLA General Hospital won the “Excellent Clinical Papers of 2018”.