PRSS1 and chronic pancreatitis: Various genetic mutations in different putative genes such as the cationic trypsinogen (PRSS1) gene, serine protease inhibitor nucleus Kazol type 1 (SPINK1) gene, cystic fibrosis transmembrane conductance regular (CFTR) gene, and cathepsin B gene have been well-described in acute, recurrent, and chronic pancreatitis [8].