KRT7 and pancreatic adenocarcinoma: The CK7+/CK20- expression pattern was observed in only 2% (2 of118) of colorectal carcinomas, although it was expressed in 32% (19/59) of gastric and 75% (24/32) of pancreatic adenocarcinomas (χ2 = 85.607; p < 0.001).