title: Primitive neuroectodermal tumor: report of two cases and review of the literature.
mesh_terms: D000293:Adolescent; D003937:Diagnosis, Differential; D017809:Fatal Outcome; D005260:Female; D006801:Humans; D007150:Immunohistochemistry; D008297:Male; D008875:Middle Aged; D018242:Neuroectodermal Tumors, Primitive / Q000175:diagnosis* / Q000601:surgery; D013899:Thoracic Neoplasms / Q000175:diagnosis* / Q000601:surgery; D013906:Thoracoscopy