CD4 and hepatocellular carcinoma: Univariate analysis revealed significant prognostic factors for early recurrence in the 49 HCC patient cohort, including EpCAMmRNA+ CTC ≥ 2.22 (P = 0.001), Treg/CD4+ ≥ 5.07 (P = 0.045), and satellite lesions (P = 0.004).