Presacral cysts and tumours.
D000008:Abdominal Neoplasms / Q000473:pathology; D000293:Adolescent; D000328:Adult; D000368:Aged; D001859:Bone Neoplasms / Q000473:pathology*; D002648:Child; D002675:Child, Preschool; D002812:Chondroma / Q000473:pathology; D003560:Cysts; D003884:Dermoid Cyst; D005260:Female; D005729:Ganglioneuroma / Q000473:pathology; D005870:Giant Cell Tumors; D006394:Hemangiosarcoma / Q000473:pathology; D006801:Humans; D007223:Infant; D007889:Leiomyoma / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009442:Neurilemmoma / Q000473:pathology; D012186:Retroperitoneal Neoplasms / Q000473:pathology*; D012447:Sacrum; D013724:Teratoma / Q000473:pathology