Total 7 clinical symptoms reported for Bone osteosarcoma  Very Frequent (2)Uncommon (2)Frequent (3)

Abnormality of the femoral metaphysis	An anomaly of the femoral metaphysis.	Very frequent
Osteolysis	Osteolysis refers to the destruction of bone through bone resorption with removal or loss of calcium.   Synonyms:Breakdown of bone; Increased bone resorption; Osteolytic defects of bones	Very frequent