MUC5AC and neoplasm: The adjacent unaffected liver (blue), tumor (red), necrosis (purple), fibrosis/inflammation (grey/green) and loose tissue mucin (white) segments scored an average of 5, 4.9, 4.5, 4.9, and 4.7 respectively indicating a very high level of correlation between the MSI prediction of all histologies in this cohort of specimens.