RPRD2 and breast carcinoma: Notably, four lncRNAs (lnc-RPRD2-3:1, lnc-KCNA5-3:4, lnc-CFP-1:1 and lnc-CD164L2-1:1) correlated strongly with the mutation status of IGF2R, a tumor suppressor commonly mutated in human liver and breast cancer.