PPIB and hepatocellular carcinoma: The Consensus stratifies the risk populations according to the risk of HCC, combined with the causes of HCC, epidemiological characteristics, and evidence-based medicine in China, for which the corresponding monitoring schemes are established [30].Low-risk population: Patients aged < 30 years, at an early and stable stage of chronic liver disease, without obvious liver inflammation and fibrosis, including chronic inactive HBsAg carriers, patients in the hepatitis B immune control period and with fatty liver disease.