What is dog osteosarcoma like?

Osteosarcoma is bone cancer; about 80% of bone cancers are this highly fatal, invasive type that spreads easily. Signs include lameness, local swelling, pain, fracture, low appetite, nosebleed and breathing difficulty.

Diagnose by X-ray, CT and cytology; treat by limb amputation plus chemo and radiation to reduce spread and recurrence.