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Riley was first diagnosed with osteosarcoma in 2023 and had his lower leg amputated.

Doctors soon after diagnosed her with osteosarcoma - a type of bone sarcoma that most affects the knee, thigh or shin bone or upper arm.

Destiny Kates, 15, has been battling osteosarcoma, a type of bone cancer, for more than two years.

Stickles was diagnosed with osteosarcoma, a bone cancer, in his left tibia in 2020.

The cause of death was complications of osteosarcoma.