Connective, Subcutaneous and Other Soft Tissues

C49 designates malignant neoplasms that arise in connective tissue, subcutaneous tissue or other soft tissues. It encompasses a variety of sarcomas, including fibrosarcoma, liposarcoma, leiomyosarcoma and other rare soft-tissue cancers that originate outside of bone, organs or skin. This topography groups tumors of the deep and superficial connective structures.