KRT7 and colorectal carcinoma: There was no significant difference in the tumor stage (p = 0.838), the TMB (p = 0.074), the TNB (p = 0.066), the cytokeratin 7 (CK7, p = 0.602), and the CK 20 (p = 0.189) of CRC patients in the MSI-H altered and MSI-H wt subgroups (Table 1).