Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Relatively low lung volumes are noted with crowding of the bronchovascular markings . There is no confluent consolidation nor effusion . The cardiomediastinal silhouette is within normal limits . Tortuosity of the descending thoracic aorta is noted . No acute osseous abnormalities identified . Surgical clips in the right upper quadrant suggest prior cholecystectomy .
    OUTPUT:
    
No acute cardiopulmonary process .