This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen & Pelvis, Subject name: Anatomy
Superior boundary of calot's triangle is formed by: 
Select and explain. 
A. Hepatic duct, B. Superior surface of liver, C. Inferior surface of liver, D. Cystic duct
C: Inferior surface of liver
Answer: C: Inferior surface of liver 
Explanation: Ans. C Inferior surface of liverRef: Gray's Anatomy, 39th ed. pg. 1229 The Calot's Triangle Aka Hepatobiliary Triangle or Cystohepatic Triangle.* Boundaries (Cystic duct, Liver, Common hepatic duct):# Medial: Common hepatic duct# Infero-lateral: Cystic duct# Superior: Inferior surface of liver* Content of Calot triangle -Cystic artery.