MUC3A and colorectal carcinoma: In colorectal carcinoma, these rates are MUC1, 24–32% [10], [34]; MUC2, 38% [10]; MUC3, 74% [34]; MUC4, 94% [35]; MUC5AC, 34–50% [36], [37]; MUC6, 39% [37]; and MUC16, 64% [18].