Female (133); Male (270)

0 to 4 years (167); 5 to 9 years (102); 10 to 14 years (70); 15 to 19 years (53); 20 to 24 years (7); 25 to 29 years (1); 35 to 39 years (1); Greater than 39 years (2)

American Indian or Alaska Native (2); Asian (12); Black or African American (70); Native Hawaiian or Other Pacific Islander (2); White (284); Not Reported (33)

Hispanic or Latino (49); Not Hispanic or Latino (338); Not Reported (1); Unknown (15)

Alveolar Rhabdomyosarcoma (67); Embryonal Rhabdomyosarcoma, NOS (259); Rhabdomyosarcoma, NOS (42); Sarcoma, NOS (30); Spindle Cell Rhabdomyosarcoma (5)

Abdomen, NOS (6); Bladder, NOS (18); Breast, NOS (1); Cervix Uteri (2); Cheek Mucosa (8); Chest Wall, NOS (4); Cranial Fossa, NOS (15); Craniopharyngeal Duct (10); Esophagus, NOS (1); Eye, NOS (2); Foot, NOS (8); Gallbladder (2); Hand, NOS (5); Head, Face or Neck, NOS (8); Larynx, NOS (1); Liver (1); Lower Limb, NOS (15); Lung, NOS (1); Maxillary Sinus (6); Mediastinum, NOS (1); Middle Ear (13); Mouth, NOS (2); Nasal Cavity and Middle Ear (9); Nasopharynx, NOS (26); Orbit, NOS (28); Oropharynx, NOS (6); Other Ill-Defined Sites (2); Parotid Gland (2); Pelvis, NOS (28); Perineum, NOS (3); Peritoneum, NOS (2); Pleura, NOS (2); Prostate Gland (22); Retroperitoneum (20); Skin of Scalp and Neck (1); Spinal Cord, Cranial Nerves, and Other Parts of Central Nervous System (6); Stomach, NOS (1); Testis, NOS (62); Thigh, NOS (14); Upper Limb, NOS (18); Uterus, NOS (3); Vagina, NOS (5); Vulva, NOS (1); Not Reported (12)