Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are fully expanded and clear . No pleural abnormalities . Heart size is normal . Cardiomediastinal silhouette is normal . The right and left hila are unremarkable . Slight leftward deviation of the upper trachea is again noted .
    OUTPUT:
    
1 . No acute cardiopulmonary abnormality . The right hilus is normal . 2 . Slight leftward deviation of the upper trachea . Please correlate with physical examination to assess for thyroid abnormality .