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A sarcoma is a cancer of the connective tissue, such as nerves, muscles, fat, tendons and bones. Sarcomas can arise anywhere in the body and are frequently hidden deep in the limbs. Sarcomas are divided into two main types: soft tissue and bone. When a bone tumor grows, it presses on healthy bone tissue and can destroy it. When this occurs in the knee, this can cause knee pain, swelling, stiffness and even limping. Sarcomas are very rare, and are often misdiagnosed and assumed to be sports injuries, arthritis or benign bumps.

If you've been diagnosed with a knee sarcoma, it is extremely important to receive treatment at a cancer center that specializes in the treatment of sarcoma. At Penn Medicine, our Orthopaedic Oncology team diagnoses and treats all types of sarcomas. Our program offers the most comprehensive and experienced sarcoma team in the region, with over 30 years of combined experience in orthopaedic oncology and full-time scientists studying sarcoma. We have a robust research program with sarcoma-specific clinical trials and are constantly studying ways to provide better treatment options and ultimately cure patients.

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