Tehran University of Medical Sciences The Research in Heart Yield and Translational Medicine (RHYTHM) 3115-7270 7 4 2015 10 13 274 274 EN Mohammad Bagher Rahim Shariati General Hospital, Tehran University of Medical Sciences, Tehran, Iran. Mohammad Hossein Mandegar Shariati General Hospital, Tehran University of Medical Sciences, Tehran, Iran. Farideh Roshanali Shariati General Hospital, Tehran University of Medical Sciences, Tehran, Iran. 2015 10 10 2015 10 10 A 50-year-old male underwent a check-up for an insurance company. Chest X-ray revealed a large ball-like lesion in the posterior mediastinum. The finding was confirmed by computed tomography (CT) scan (Figure 1). The patient was referred to our center, where he had a successful mass removal surgery (Figure 2). Pathology identified the mass as neurinoma.     https://rhythm.tums.ac.ir/index.php/jthc/article/view/274 https://rhythm.tums.ac.ir/index.php/jthc/article/download/274/267