This is an observational study. This study is for men and women who have hepatocellular carcinoma (HCC), which is a type of liver cancer. 
    
The purpose of this study to collect information on patients with HCC to determine the natural course of the disease and to determine how procedures or treatments that may be recommended by doctors may affect HCC, liver, and general health. The goal of this research study is to observe any management and treatment for HCC in a large number of people in a “real life” setting. Researchers are interested in observing how the management and procedures and treatments work in patients who are treated by their doctors in routine practice. 
    
If an individual agrees to participate in this study, their past and future medical records will be collected. 
    
In addition, participants will have the opportunity to participate in an optional blood and tissue sample collection. 
    
Participation in the study will last for up to 5 years.