Collecting and Storing Tissue, Blood, and Bone Marrow Samples From Patients With Rhabdomyosarcoma or Other Soft Tissue Sarcoma

Inclusion Criteria:

   - Histologically or cytologically confirmed diagnosis of 1 of the following:

      - Rhabdomyosarcoma

      - Non-rhabdomyosarcoma soft tissue sarcoma

         - Chordoma

         - Desmoid fibromatosis

         - Desmoplastic round cell tumors

         - Undifferentiated embryonal sarcoma of the liver

      - Unclassified soft tissue sarcoma that is too undifferentiated to be placed in a
      specific pathologic category in the WHO classification (often called
      ?undifferentiated soft tissue sarcoma? or ?soft tissue sarcoma NOS?)

      - Other soft tissue neoplasms, excluding benign tumors

   - Must have pathological specimens of tumor-containing tissue or bone marrow (beyond
   that needed by the institution for diagnosis) available for study

   - No malignant rhabdoid tumor, Ewing sarcoma/primitive neuroectodermal tumor, or
   osteogenic sarcoma of bone

   - No osteogenic sarcoma