正確分辨Calot's triangle是降低腹腔鏡膽囊切除手術併發症的重要關鍵,其構成邊界不含下列何項?
總肝管(common hepatic duct)
膽囊管(cystic duct)
膽囊動脈(cystic artery)
肝臟邊緣(liver edge)