Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear with no evidence of a consolidation , effusion , or pneumothorax . There is mild pulmonary vascular congestion . Again noted is mild narrowing and rightward displacement of the trachea at the level of the aortic arch as seen previously . Cardiac size remains stable . No acute fractures are identified .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Again noted is tracheal narrowing and mild rightward deviation at the level of the aortic arch . An outpatient chest CT is recommended for further characterization .