MYC and cancer: After first identifying circPVT1 in gastric cancer, further analyses have unveiled circPVT1’s oncogenic role, as well as lncPVT1/c-MYC’s role in other types of cancer such as osteosarcoma [43], head and neck squamous cell carcinoma [42], non-small cell lung carcinoma [44], acute lymphoblastic leukemia [45], esophageal carcinoma [46], colorectal carcinoma [47] and hepatocellular carcinoma [48].