Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the prior chest radiographs , most recently dated ___ , there has been no significant interval change . Low lung volumes result in crowding of bronchovascular structures at the bases . The remainder of the lungs are grossly clear without focal consolidation , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
Stable appearance of the chest without acute cardiopulmonary process .