KRT5 and neoplasm: Tumor cells expressed P53 and Ki-67 at approximately 60%, while cytokeratin (CK), SMA,Des,CK8/18,CK7,Pax-8,WT-1,CK20,ER,PR,CA125,ALK-1,CK5/6(-),CD10(-),CR(-),EMA(-),D2-40,P16were negative (Figure 3).