What is meant by no biliary ductal dilitation and no hepitic masses and gallbladder walls are normal?

Seems like: A relatively normal study. No abmnomalities seen.

Liver/gallbladder: Liver/ gallbladder (ultrasound or CT scan of Abdomen or MRI) is performed to check for conditions such hepatitis. (Inflammation of the liver), hepatic masses - benign or cancerous, gall bladder stones, stones from the gall bladder blocking the hepatic (liver) ducts, inflammation of the liver ducts (cholangitis ), inflammatory conditions of the gall bladder wall -cholecystitis and other conditions.