Clinical Research Directory

Inclusion Criteria: Participants must meet criterion (1) and any one of criteria (2) through (4): 1. Adults aged 18 years or older; 2. Patients with confirmed hepatocellular carcinoma or highly suspected hepatocellular carcinoma who are planned to undergo one or more of the following treatments: liver resection, liver transplantation, ablation, or transarterial chemoembolization (TACE); 3. Patients who have previously received antitumor therapy but remain in a tumor-bearing state of hepatocellular carcinoma and are planned to undergo one or more of the following treatments: liver resection, liver transplantation, ablation, or transarterial chemoembolization (TACE); 4. Post-treatment patients with primary hepatocellular carcinoma who have already undergone one or more of the following treatments: liver resection, liver transplantation, ablation, or transarterial chemoembolization (TACE), and whose result of the study assay before treatment was positive. Exclusion Criteria: 1. Patients with hepatocellular carcinoma who will not undergo any of the following treatments: liver resection, liver transplantation, ablation, or transarterial chemoembolization (TACE); 2. Patients enrolled as highly suspected hepatocellular carcinoma whose final diagnosis according to the clinical reference standard is not primary hepatocellular carcinoma, or for whom it cannot be determined whether the disease is primary hepatocellular carcinoma; 3. Patients whose samples collected before hepatocellular carcinoma treatment were not stored in accordance with protocol requirements; 4. Patients whose samples collected before hepatocellular carcinoma treatment are insufficient in volume to meet the testing requirements. Any enrolled participant who is subsequently excluded from the clinical study will be documented, and the reason for exclusion will be clearly recorded.