ANXA2 and oligodendroglioma: GBM presented a significant higher expression of ANXA2, ANXA2P1 and ANXA2P2 than astrocytoma (A, P=0.006, P=0.030 and P=0.005, respectively) and oligodendroglioma (OD, P<0.001, P=0.004 and P<0.001, respectively).