Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are noted with secondary crowding of the bronchovascular markings . Based on this and AP lordotic positioning , visualized lungs are grossly clear . Left chest wall triple lead pacing device is noted . Cardiac silhouette appears enlarged but likely exaggerated by factors described above .
    OUTPUT:
    
Limited exam without definite acute cardiopulmonary process .