Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are again noted with secondary crowding of the bronchovascular markings . Confluent opacity projecting over the right upper lung on prior has essentially resolved . The cardiomediastinal silhouette is stable . Tortuosity of the descending thoracic aorta is again noted . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .