What are the symptoms of ewing's sarcoma?

Patient have pain : Patients usually present with pain. Patients often have a palpable mass. Patients with lesions of the long bones can present with a pathologic fracture. Back pain may indicate a para spinal, retroperitoneal, or deep pelvic tumor. Systemic symptoms of fever and weight loss can also occur and often indicate metastatic disease.

Ewing's symptoms...: Symptoms can include: pain and/or swelling, usually in the arms, legs, chest, back, or pelvis (area between the hips). A lump in the arms, legs, chest, or pelvis. Fever for no known reason. A bone that breaks for no known reason.