system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
In hepatocellular carcinoma, risk factor most important is
assistant
The correct answer is  Cirrhosis is the most important risk factor for HCC.
"75-85% of HCC occur in patients with macronodular cirrhosis" - Harrison