Figure 3From: Cytokeratin 20 (CK20) and apomucin 1 (MUC1) expression in ampullary carcinoma: Correlation with tumor progression and prognosisCumulative survival of patients with lymph node metastasis (N). Node-positive (N1) patients showed significantly poorer survival than node-negative (N0) patients (p < 0.001).Back to article page