title: Why is female sex an independent predictor of shortened overall survival after proton/photon radiation therapy for skull base chordomas?
authors.affiliation: Department of Radiation Oncology, Duke University Medical Center, Durham, NC 27710, USA.
authors.forename: E C
authors.initials: EC
authors.lastname: Halperin
mesh_terms: D002817:Chordoma / Q000196:embryology / Q000235:genetics / Q000401:mortality* / Q000532:radiotherapy*; D005260:Female; D008040:Genetic Linkage; D012739:Gonadal Steroid Hormones / Q000378:metabolism; D015438:Health Behavior; D006801:Humans; D008297:Male; D015999:Multivariate Analysis; D009672:Notochord / Q000196:embryology; D011379:Prognosis; D061766:Proton Therapy; D012737:Sex Factors; D019292:Skull Base Neoplasms / Q000196:embryology / Q000235:genetics / Q000401:mortality* / Q000532:radiotherapy*; D014960:X Chromosome
chemical_list: D012739:Gonadal Steroid Hormones