Fig. 5
From: Revisiting the use of CK7 and CK20 immunohistochemical stains in pathological diagnoses

The nineteen-year ordering trend of CK7 and CK20 stains. The percentage is calculated by dividing the number of cases where both CK7 and CK20 stains were performed by the number of cases where CK7 and/or CK20 stains were performed