What are the imaging findings of chronic pancreatitis?

On Xray (we see calcifications due to alcoholic pancreatitis (lethiasis of enzymes with calcium ions and thus close channels leading to necrosis, done laterally or obliquely on pt) US not used CT (sensitive and specific) MRCP (best, see fibrosis of wirsung, we can see cavities due to acinar cell destruction by IV secretin admin where it fills the defect) ERCP (we may see dilation, irregular path and calcifications) EUS (detailed later)