EWING'S SARCOMA.
D000293:Adolescent; D001859:Bone Neoplasms; D006801:Humans; D009369:Neoplasms / Q000175:diagnosis*; D010384:Pelvic Bones; D012509:Sarcoma; D012512:Sarcoma, Ewing
ADOLESCENCE; BONE NEOPLASMS; NEOPLASM DIAGNOSIS; PELVIC BONES; SARCOMA, EWING'S