Aurora kinase A (AURKA) and B (AURKB) are overexpressed in many tumors, including breast, lung, pancreatic, ovarian, and prostate tumors.30, 31, 32 AURKB is a component of the chromosomal passenger complex (CPC), which also contains the inner centromere protein (INCENP), survivin, and borealin.33 The gene discussed is INCENP; the disease is prostate neoplasm.