From: Cytokeratin 20 (CK20) and apomucin 1 (MUC1) expression in ampullary carcinoma: Correlation with tumor progression and prognosis
Histological type
Maker
Sensitivity
Specificity
PPV
NPV
Intestinal type
CK20+MUC1
0.625
0.963
0.909
0.813
Pancreatobiliary type
0.722
0.920
0.867
0.821
Unusual type
0.666
0.676
0.353
0.885