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Comparison of digital histological features between hepatocellular carcinomas and cholangiocarcinomas. Representative picrosirius red pictures to quantify collagen (A) and nucleus stained pictures (C) to quantify cellularity. Hepatocellular carcinomas have significantly lower collagen content and higher cellularity than cholangiocarcinomas (p < 0.001 and p = 0.005, respectively) (B,D).
