TOPIC: Disorders of the Mediastinum TYPE: Medical Student/Resident Case Reports INTRODUCTION: A schwannoma is a rare neurogenic tumor arising from cells that form nerve sheath. They make up quarter all tumors and are seen between 20 to 50 years age. typically have an asymptomatic presentation benign course, with malignant features in around 5% cases. We present case 74-year-old female incidenta...