Endoscopic resection (ER) of undifferentiated-type earlygastric cancer (UD-EGC) has a lower curative resection(CR) rate than does ER of differentiated-type EGC(D-EGC).
The natural history of hepatocellular carcinoma (HCC)with portal vein tumor thrombosis (PVTT) is dismal(approximately 2-4 mo), and PVTT is reportedlyfound in 10%-40%