A complex surgical operation was performed at the Armed Forces Hospital in Hada, in which a rare bone tumor in the rib cage was removed for a 21-year-old Saudi girl who was suffering from chest pain and a growing swelling of the right side of the chest. The tumor, which occupied most of the right side of the chest and connected to the right lung and right atrium from the heart, weighed 1700 grams and was completely eradicated in a five-hour surgery, and five ribs with it and part of the rib cage were removed, and artificial surgical grafting of the rib cage was performed, with Full muscle cover, and the patient left the hospital ten days after the operation in good health. The surgical team is headed by Dr. Majed Al-Moraki, Consultant of Chest Surgery, Dr. Tamer Izzeldin, Specialist of Thoracic Surgery, and Dr. Mabrouk Ahmed, Consultant of Plastic Surgery.