Rhabdomyosarcoma (RMS) is a type of soft tissue cancer that most commonly affects children and adolescents. It’s often found in skeletal muscle tissue or organs, such as the head and neck area, the urinary system, the reproductive system or appendages like the arms and legs. Rhabdomyosarcoma is part of a larger grouping of cancers called sarcomas which emerge in the body’s connective tissues, like muscles, fat, bones, blood vessels and joints. There are 50 different types of sarcomas. There...