U.S. Air Force Capt. Brandon Valenzuela, 60th Inpatient Squadron, conducts pre-operation measures during an Yttrium-90 radioembolization procedure for a patient with liver cancer Sept. 7, 2018, at Travis Air Force Base, Calif. The Y-90 radioembolization is an advanced and minimally invasive method utilized to treat cancer by delivering millions of tiny radioactive beads inside the blood vessels that feed a tumor. The high dose of targeted radiation prospectively kills the tumor while sparing normal tissue. This was the first time the treatment was performed at David Grant USAF Medical Center. (U.S. Air Force Photo by Heide Couch)
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