dual tracer scintigraphy ( dts ) ( technetium 99m [ 99mtc ] sulfur colloid and gallium 67 citrate [ 67 gallium citrate ] ) of the liver and computer subtraction studies ( ss ) were performed in 26 patients subsequently proven to have hepatocellular carcinoma ( hcc ) and 32 patients with cirrhosis and focal defects on the colloid scan , with no evidence for hcc after a complete evaluation and a 2-year follow-up period .
C0023884
liver
C0023890
cirrhosis