As shown in Fig. 2E, 81.3% (52/64) of HCC patients still showed a detectable level of TFx in post‐TACE plasma samples and 35.9% (23/64) showed TFx ≥ 0.1, while abnormal level of AFP was only showed in 70.3% patients (Fig. S1E). Here, AFP is linked to hepatocellular carcinoma.