Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal aside from leftward deflection of the upper trachea most commonly due to thyroid enlargement , which has been imaged in this patient 's past . Osseous structures are intact .
    OUTPUT:
    
No acute cardiopulmonary process .