KRT19 and colonic neoplasm: Autopsies revealed that all the control mice had no tumors, but five of the seven CK19‐CreER/LSL‐KrasG12D/p53L/L/R26‐LSL‐LacZ mice had lung tumors, pancreatic tumors, and liver tumors; one mouse had an intestinal tumor, lung tumor, and pancreatic tumor, and another mouse had a pancreatic tumor, liver tumor, and subcutaneous tumor (Table 1), but none of them had stomach or colon tumors.