Two studies have showed that circRBM33 (chr7_155680908_155672867_+8041-RBM33, generated from human gene RBM33, termed circRBM33) is the pro-oncogenic factor in cervical cancer and gastric cancer (Wang et al., 2020; Ding, Yuan & Gu, 2021). The gene discussed is RBM33; the disease is gastric cancer.