??? ??? ?? ? ? ?? ?? ??? ????? ??? ?? ??? ???? ??? ???? ?????.????? ??? ????? ???? ????.????? ???? ??? ??? ??? ???? ?????.A variant of ependymoma, usually present in the spinal wire, with tumor cells organized in fascicles of variable width and mobile density.Retinoblastoma is often a malignant tumor on the establishing retina that occurs in kids,