Ewing's sarcoma history and symptoms

Symptoms
One of the first noticeable symptoms is pain. Since Ewing's sarcomas typically progress very rapidly, the pain can escalate from mild to intense in a very short period of time. If the tumor turns out to be in the spinal or pelvic region, it can cause paresthesia. Once the tumor begins to grow, it is usually accompanied by swelling of the local area. This swelling tends to be elastic, tense, tender, hard, rapidly increasing, and accompanied by local heat. Although the tumor can be palpable in some cases due to swelling, there are cases in which the tumor may not be noticed for a long period of time. Some tumors such as tumors of the spine, pelvic region, or femur are much deeper and may not cause noticeable swelling at the surface. Also, if the tumor extends along the medullary canal of long bones without expanding out further into the cortex, it would be difficult to detect.

Some more common symptoms are
 * fever
 * anemia
 * non-specific signs of inflammation
 * loss of appetite
 * weight loss