APOA2 and chronic pancreatitis: To evaluate the usefulness of the ELST‐blue score to explore its potential application in identifying high‐risk groups for early chronic pancreatitis (ECP) through reflecting on pancreatic elasticity and the reduction of pancreatic function, and we tried to demonstrate whether the ELST‐blue score was significantly associated with apolipoprotein A2 (apoA2) isoforms in patients with ECP.