[Spheno-occipital chordomas].
D001859:Bone Neoplasms; D002817:Chordoma; D006801:Humans; D009369:Neoplasms; D009777:Occipital Bone; D013100:Sphenoid Bone
CHORDOMA; OCCIPITAL BONE/neoplasms; SPHENOID BONE/neoplasms
I cordomi sfeno-occipitali.