What are the main symptoms of osteosarcoma?

Bone pain, typically in the knee, leg, or arm

* Pain worsens with activity and may subside with rest

* Might feel like growing pains at first

Swelling or visible growth over affected bone

Limping due to pain*

Muscle weakness around affected bone

Bone fractures that occur after minimal trauma or without an obvious cause

Numbness or tingling caused by tumor pressing on nearby nerves (rare symptom)

If you're having any of these symptoms, don't hesitate to see your doctor. Early diagnosis and treatment can improve your chances of a successful outcome.