Extraosseous Ewings sarcoma is an extremely rare neuroectodermal tumor,Although thoracic Ewing sarcoma/primitive neuroectodermal tumor (PNET) usually developson the chest wall, there have been reports of primary Ewing sarcoma/PNET of the lung Wereport the case of a 30-year-old manwho presented with right-sided pulmonary mass.Radiology, histopathology, and immunohistochemistry confirmed the diagnosis of primarypulmonary Ewings sarcoma, the patient wastreated by chemotherapy ( regimen ofvincristine, doxorubicin, cyclophosphamide alternating with ifosfamide, etoposide ) andradiotherapy.
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Lahmar et al. (2024) studied this question.
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