Term Name:	bone osteosarcoma
Synonyms:	Osteosarcoma of bone, primary Osteosarcoma of bone
Definition:	An osteosarcoma that is an usually aggressive malignant bone-forming mesenchymal neoplasm arising from the bone. It may arise de novo or from a pre-existing lesion of the bone. Pain and a palpable mass are the most frequent clinical sign and symptom. It may spread to other anatomic sites, particularly the lungs.
Ontology:	Human Disease [DOID:3376]   ( DOID:3376 )