MIR4435-2HG, also known as AGD2, MORRBID, LINC00978, MIR4435-1HG, lncRNA-AWPPH, has been regarded as a new oncogenic lncRNA in many types of cancer, like breast cancer and bladder cancer (Zhu et al., 2018). Here, MIR4435-2HG is linked to breast cancer.