Esophageal Varices Prophylaxis in Hepatocellular Carcinoma Treated With Atezolizumab and Bevacizumab

upper endoscopy will be performed within 6 months before starting atezolizumab-bevacizumab therapy in HCC patients. Esophageal band ligation for small non-risky varices before starting atezolizumab-bevacizumab therapy. Endoscopy will be repeated 3, 5, 9, 12 months after atezolizumab-bevacizumab therapy