From: Cytokeratin 20 (CK20) and apomucin 1 (MUC1) expression in ampullary carcinoma: Correlation with tumor progression and prognosis
I-type
PB-type
O-type
P*
(N = 11) (%)
(N = 15) (%)
(N = 17) (%)
MUA5AC and MUC6
18
13
53
p = 0.031