ADD3 and hepatocellular carcinoma: While four others circRNAs, namely, circ-0051443, circ-ADD3, cSMARCA5, hsa_circ_000520, and hsa_circ_001565, were reported to be downregulated in HCC tissues and serum/plasma of HCC patients and achieved diagnostic potential with AUC values of 0.8089, 0.8878, 0.938, 0.943, and 0.839, respectively (63, 72, 92, 97).