KRT5 and neoplasm: According to the heatmap shown in Figure 1b, the H-score of CK5/6 tended to show a high expression in the advanced pT stage (pT3 or higher: 81.4 ± 79.3 vs. pT2 or lower: 38.9 ± 42.9), while CK20 showed a lower expression in the advanced tumor stage compared to its counterparts (pT2 or lower: 67.8 ± 52.4 vs. pT3 or higher: 37.2 ± 43.3).