Sacral tumor obstructing labor.
D001859:Bone Neoplasms; D002813:Chondrosarcoma; D004420:Dystocia / Q000209:etiology*; D005260:Female; D006801:Humans; D009369:Neoplasms; D011247:Pregnancy; D012447:Sacrum
CHONDROSARCOMA; DYSTOCIA/etiology and pathogenesis; SACRUM/neoplasms