Improved preoperative clinical staging system for intrahepatic cholangiocarcinoma using the ABC factors: a retrospective study

Key Points

• Patients with intrahepatic cholangiocarcinoma benefit from an improved preoperative clinical staging system.
• The ABC factors significantly predict overall survival and disease-free survival in patients undergoing radical surgery.
• Analysis revealed key anatomical, biological, and performance status factors critical for accurate staging and prognosis.
• Enhanced preoperative staging may enable more tailored surgical approaches, potentially improving patient outcomes.