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Table 3 Summary of M2-PK expression in benign and malignant pancreatic tissue.

From: Complete absence of M2-pyruvate kinase expression in benign pancreatic ductal epithelium and pancreaticobiliary and duodenal neoplasia

TISSUE (n) IMMUNOHISTOCHEMICAL SCORE [n (%)]
  0 1 2-3 4-5 6-7 8-9 10-12
Primary adenocarcinoma (104) 104 (100)       
Regional lymph nodes (tumour +ve 61) 61 (100)       
Regional lymph nodes (tumour -ve 39) 39 (100)       
Chronic pancreatitis (100)   25 (25) 39 (39) 22 (22) 10 (10)   4 (4)
Normal pancreas (30)    12 (40) 9 (30) 6 (20) 2 (7) 1 (3)