Calot Triangle and Biliary Tree

During a laparoscopic cholecystectomy, the surgeon carefully dissects Calot's triangle to achieve the "Critical View of Safety." The structure marked **C** in the diagram is identified and must be ligated before division of the cystic duct. Which of the following best describes the clinical significance of identifying this structure before proceeding with gallbladder removal?

A 52-year-old woman undergoes laparoscopic cholecystectomy for symptomatic cholelithiasis. During dissection of Calot's triangle, the surgeon identifies a small arterial branch arising from the right hepatic artery and crossing anterior to the cystic duct. Which feature best distinguishes this as the cystic artery rather than an aberrant right hepatic artery branch?

A 48-year-old man presents with acute right upper quadrant pain and fever (38.5°C). Ultrasound shows a distended gallbladder with a 2 cm stone impacted in the Hartmann pouch and pericholecystic fluid. Murphy's sign is positive. Laboratory tests reveal WBC 14,000/μL and mildly elevated liver enzymes. The patient is hemodynamically stable. What is the most appropriate immediate management?

Which anatomical feature best distinguishes the cystic artery from the cystic vein during dissection of Calot's triangle?

The Calot triangle is bounded by three structures. Which of the following is NOT a boundary of the Calot triangle?