A 40 yrs old patient has undergone an open chlecystectomy.The procedure was reported as uneventful by the operating surgeon.She has 100 ml of bile output from the drain kept in the gallbladder bed on the first post operative day.On examination she is afebrile and anicteric.The abdomen is soft and bowel sounds are normally heard.As an attending physician.What should be your best possible advice?

• A. Order an urgent endoscopic retrograde cholangiography and biliary stenting
• B. Urgent laparotomy
• C. Order an urgent hepatic iminodiacetic acid scintigraphy (HIDA)
• D. Clinical observation