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Patients operated with wide surgical margins resulted in fewer local recurrences and better overall survival. Patients with chest wall tumors should be referred to sarcoma centers and not to general thoracic surgery clinics for diagnosis and treatment.

Background and purpose Doctor's delay in diagnosing Ewing sarcoma is often long. We examined the initial symptoms of Ewing sarcoma of the rib to find characteristics that could help to shorten the delay in diagnosis and hopefully influence the prognosis.Patients and methods We examined the records from the first visit for symptoms related to Ewing sarcoma of the rib in 26 consecutive patients, all of whom were < 30 years of age and had been diagnosed between 1981 and 2000. All patients had a minimum of 5 years follow-up.Results A tumor was suspected at the first visit in only 5 of the 26 patients; pleurisy was the most common misdiagnosis. 23 patients complained of pain, localized or pleuritic, and 11 had a palpable mass. 15 of the 26 patients had chest radiographs taken at the first visit, but a tumor was suspected in only 4 cases. The most common radiographic finding was pleural effusiondiagnosed in 10 of the 15 patients. 23 patients were operated. It is noteworthy that in 6 patients no tumor was suspected before surgery. 12 patients died from the Ewing sarcoma. Median survival was 2.4 years. Doctor's delay was median 3.0 (0-10) months, but it exceeded 7 months in 4 patients. Patient's delay was 2.5 (0-10) months.Interpretation The most important clinical finding in Ewing sarcoma of the rib was a palpable mass and pleural effusion. Both findings are rare in this age group and should be thoroughly investigated.