Common bile duct: leads to jaundice. 2- Inferior vena cava: Edema in lower limb. 3- Portal vein: Portal hypertension. 4- Pyloric end: leads to pyloric stenosis. 5- Duodenum: Duodenal obstruction. Pancreatic pain: Felt in epigastric region, referred to back. Relieved by leaning forward. Duodenal ulcer: May be complicated by erosion of pancreas.