KRT19 and chronic pancreatitis: Semi-quantitative analysis of the amylase or CK19 positive area revealed that the average of the extent or loss of acina score was 2.33 ± 0.54 in caerulein induced chronic pancreatitis, it decreased to 1.66 ± 0.67 with sulindac treatment (Figure 3A, P < 0.05).