This document discusses four clinical cases involving gallstones and bile duct issues. Case 1 involves a 40-year-old woman with acute gallstone pancreatitis who underwent medical treatment and may require surgery if symptoms recur. Case 2 is a 53-year-old woman with vague upper abdominal symptoms who was managed medically with follow up. Case 3 is a 67-year-old woman with jaundice, weight loss, and elevated tumor marker found to have a hilar mass requiring further investigation and management. Case 4 is a 41-year-old woman with acute gallstone pancreatitis and CBD stones seen on ultrasound who requires further evaluation and treatment.