CASC19 and cancer: These include prostate cancer‐associated noncoding RNA transcript 1 (PCAT1; Prensner et al., 2011), prostate cancer noncoding RNA 1 (PRNCR1; Chung et al., 2011; Yang et al., 2013), and prostate cancer‐associated noncoding RNA transcript 2 (PCAT2; Han et al., 2016).