"Constitution of a Biological Collection to Establish Preclinical Translational Models for the Study of Tumors and Chronic Liver Diseases".

This is a biological sample collection study (biobank) at a French hospital. Researchers are collecting tissue and biological samples from patients with chronic liver disease or liver tumors during procedures already planned as part of their routine care, in order to build laboratory models to study liver cancer and disease. **You may be eligible if...** - You are an adult with a chronic liver disease (viral or other cause) - You are scheduled for a liver biopsy, liver surgery, or a local treatment for hepatocellular carcinoma (liver cancer) as part of your routine care - You understand the study and give written consent - You are enrolled in the French social security system **You may NOT be eligible if...** - You are under 18 - You are under legal protection or cannot give informed consent independently - You are pregnant or breastfeeding Talk to your doctor to see if this trial is right for you.