title: PRIMARY OSTEOGENIC SARCOMA ARISING IN EXTRA-SKELETAL SOFT TISSUES OF THE NECK.
mesh_terms: D001859:Bone Neoplasms; D003238:Connective Tissue; D006258:Head and Neck Neoplasms; D006801:Humans; D037981:Neck Dissection; D009362:Neoplasm Metastasis; D009369:Neoplasms; D009372:Neoplasms, Connective Tissue; D012516:Osteosarcoma; D010336:Pathology; D012509:Sarcoma
keywords: NECK NEOPLASMS; NEOPLASM METASTASIS; NEOPLASMS, CONNECTIVE TISSUE; PATHOLOGY; RADICAL NECK DISSECTION; SARCOMA, OSTEOGENIC