Know the signs of osteosarcoma in kids 🦴💛 Osteosarcoma symptoms can sometimes be mistaken for growing pains or sports injuries. Watch for: • Persistent bone or joint pain—often worse at night or during exercise • Swelling or a noticeable lump near a bone or joint • Limping or reduced mobility

Sarcomas begin in bone or connective tissues. Osteosarcoma, the type Jason is fighting, is the most common primary bone cancer in children, teens, and young adults. About 1,000 people are diagnosed with osteosarcoma each year in the U.S., and roughly half are children and adolescents. That's ab