H19 and AL amyloidosis: Other lncRNAs are under study as potential biomarkers for diagnosis of other cancers, such as lncRNA LINC00152 for hepatocellular carcinoma, lncRNA H19 for gastric cancer, lncRNA UCA1 for bladder cancer and oral squamous cell carcinoma, MEG 3 for multiple myeloma, etc. (101, 110).