However, ZFAS1 has been suggested to be overexpressed in most types of human cancers such as lung cancer [19], hepatocellular carcinoma [20], osteosarcoma [21], glioma [22,23], colorectal cancer [24–26], gastric cancer [27–29], esophageal squamous cell carcinoma [30], ovarian cancer [31], prostate cancer [32], and acute myeloid leukemia [33]. The gene discussed is ZFAS1; the disease is osteosarcoma.