Extraosseous Primary Ewing's Sarcoma of the Lungs Mistakenly Diagnosed and Managed as Hemothorax: An Extremely Aggressive and Fatal Rare Tumor with an Unusual Site

Extraosseous Ewing's sarcoma of the lungs is a rare soft tissue tumor of children and adolescents usually found in the extremities. In this case report, we present a 4-year-old male child with primary Ewing Sarcoma of the lungs who presented with shortness of breath, cough, left-side chest pain, and hemoptysis for two months. We reviewed clinical, radiological, and pathological findings for this rare malignancy.