Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild enlargement of the cardiac silhouette is noted . The aorta is tortuous . Mild leftward deviation of the trachea due to a prominent right superior mediastinal convex structure may reflect an enlarged right thyroid lobe . Pulmonary vasculature is normal . Lungs are hyperinflated but clear . No pleural effusion or pneumothorax is demonstrated . No acute osseous abnormality is detected . Mild degenerative changes are seen in the thoracic spine .
    OUTPUT:
    
1 . No acute cardiopulmonary abnormality . 2 . Mild leftward of the trachea due to a prominent right superior mediastinal convex structure , possibly an enlargef right thyroid lobe . Clinical correlation with physical exam is suggested .