Lucas should be made aware that having hepatitis B puts him at a greater risk for developing liver cancer, also known as hepatocellular carcinoma. Hepatitis B is a viral infection that causes inflammation of the liver, and chronic inflammation can lead to the development of liver cancer over time. It's important for Lucas to receive regular monitoring of his liver function and to follow his treatment plan to reduce his risk of developing liver cancer. In addition, he should avoid alcohol and other substances that can further damage the liver, and practice safe sex to reduce the risk of transmitting the virus to others.