TY - GEN AU - Alexiou,George A AU - Voulgaris,Spyridon TI - Letter to the Editor. Second cancer risk in patients with spinal ependymomas SN - 1547-5646 PY - 2019///0624 KW - Adult KW - Ependymoma KW - Humans KW - Neoplasms, Second Primary KW - Progression-Free Survival KW - Spinal Cord Neoplasms KW - Spine N1 - Publication Type: Letter; Comment UR - https://doi.org/10.3171/2018.6.SPINE18719 ER -