EXTRADURAL METASTATIC EPENDYMOMA.
D004806:Ependymoma; D006801:Humans; D008207:Lymphatic Metastasis; D010336:Pathology; D011859:Radiography; D012445:Sacrococcygeal Region; D013514:Surgical Procedures, Operative
EPENDYMOMA; LYMPHATIC METASTASIS; PATHOLOGY; RADIOGRAPHY; SACROCOCCYGEAL REGION; SURGERY, OPERATIVE