CD74 and neoplasm: Among the other programmes, Epi_Cycle's high‐scoring marker genes are MKI67 and TOP2A, exhibiting evident G2M checkpoint and DNA synthesis features; Epi_Kera mainly expresses keratin‐related genes KRT6A and KRT19; Epi_Imm is enriched in key molecules closely associated with adaptive anti‐tumour immunity, including PIGR, CFB, SLPI, CD74 and HLA‐DR.