preferred_name: Positive for CK5, negative for p63 and Cytokeratin AE1
preferred_name_lc: positive for ck5, negative for p63 and cytokeratin ae1
label: Positive for CK5, negative for p63 and Cytokeratin AE1
label_lc: positive for ck5, negative for p63 and cytokeratin ae1