Non-papillary bladder cancer, pancreatic ductal adenocarcinomas (PDAC), and stomach intestinal adenocarcinoma not otherwise specified (SIA NOS) were the only tissues that were observed to have MUC1 mutation(s) at stage II cancer (Figures 2A and Supplementary Table 2). Here, MUC1 is linked to pancreatic ductal adenocarcinoma.