Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Low lung volumes seen on the current exam with secondary crowding of the bronchovascular markings . There is no consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette is within normal limits . Degenerative change is noted at the acromioclavicular joints bilaterally . There is a compression deformity in the upper lumbar spine which was seen in previous exam from ___ .
    OUTPUT:
    
No acute cardiopulmonary process .