👉 Rhabdomyosarcoma is a type of cancer that develops in the muscles and connective tissues in the bones. It can be caused by a tumor called an embryonic sarcoma, which is a precursor to a bone tumor. The tumor cells can grow and spread quickly in the body, causing pain, swelling, and sometimes death. Rhabdomyosarcomas are most common in children and young adults, but they can also occur in older people who have had cancer before
