Applicability of 3D-HDRA in Patients With Primary Liver Cancer: A Randomized Controlled Trial

Inclusion Criteria:

1. Patients voluntarily cooperated with the study and signed an informed consent form.
2. Any gender, age 18 or older, 75 or younger.
3. Patients who need to confirm the maximum tumor load (the maximum diameter of a singletumor lesion) before performing radical surgery; patients with a confirmed diagnosisof primary liver cancer after postoperative pathological histological examination.
4. Patients with R0 resection confirmed by imaging and pathology (no residual lesions andcomplete tumor resection after radical surgery).
5. Child-Pugh score of 5-7 (A or B), patients with a score of 7 must be free of ascites.
6. ECOG physical fitness status score of 0-1.
7. Women of childbearing age with a negative pregnancy test and willing to use effectivecontraception for the duration of the study.

Exclusion Criteria:

1. Patients with recurrent liver cancer.
2. Patients with existing extrahepatic distant metastases (including local lymph nodemetastases or distant organ metastases: e.g., lung, brain, bone, etc.) at the time ofdiagnosis.
3. Treatment with other experimental drugs or other interventions after radicalresection.
4. Patients with other malignant tumors that have not been cured within 5 years.
5. Patients with non-radical resections (R1 and R2 resections).
6. Patients with residual or recurrent lesions detected on imaging within 1-2 monthsafter surgery.
7. Patients in whom death occurred within 30 days after surgery.