Primary cardiac synovial sarcoma (PCSS) most commonly originates in the right atrium of the heart and is exceptionally rare. Although biomarkers of autoimmune diseases, such as antinuclear antibodies ...

Eventually, he ended up at the office of an orthopedic oncologist. A biopsy found that he had a rare grade 3 sarcoma in his pelvis. Smith was driving to work when he got the call. "It was ...