, 5. Cystic duct , 6. Common bile duct , 7. Ampulla of Vater , 8. Major duodenal papilla 9. Gallbladder , 10-11. Right and left lobes of liver . 12. Spleen . 13. Esophagus . 14. Stomach . Small intestine : 15. Duodenum , 16. Jejunum 17. Pancreas : 18: