Plasma or serum DANCR, JPX, LINC00974, LINC01225, lncRNA‐P34822, lnc‐RCDH9‐13:1, LRB1, SPRY4‐IT1, UCA1, uc003wbd, WRAP53, and ZFAS1 have been reported to show 51.1–92.7% sensitivity and 50.0–100% specificity for the diagnosis of HCC [26, 28, 29, 30, 31, 32, 33, 35, 36, 37, 38, 40]. The gene discussed is UCA1; the disease is hepatocellular carcinoma.