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High-grade DN. A Early phase of CTHA shows a hypodense nodule (middle arrow). It demonstrates isodensity on CT during arterial portography (CTAP, left arrow) and no perilesional enhancement on late phase of CTHA (right arrow). B Serial specimens from 1 to 3 with double immunohistochemical staining for CD 34 and α-SMA show the communication between intratumoral blood sinusoids (arrowhead) and hepatic venules (arrows) in the tumor (×100).
