Alexiou, George A Letter to the Editor. Second cancer risk in patients with spinal ependymomas. [electronic resource] - Journal of neurosurgery. Spine 11 2018 - 612-613 p. digital Publication Type: Letter; Comment ISSN: 1547-5646 Standard No.: 10.3171/2018.6.SPINE18719 doi Subjects--Topical Terms: AdultEpendymomaHumansNeoplasms, Second PrimaryProgression-Free SurvivalSpinal Cord NeoplasmsSpine