TOPIC: Lung Cancer TYPE: Medical Student/Resident Case Reports INTRODUCTION: Metastases to the thyroid gland are rare, accounting for only 1.3-3% of all malignancies, and they scarcely diagnosed before detection primary malignancy [1]. We present a case mass that led lung cancer. CASE PRESENTATION: A 57-year-old female with past medical history right adenoma status post lobectomy presented insi...