Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate low lung volumes , with resultant prominence of the cardiac silhouette and bronchovascular crowding . There is chronic eventration of the right hemidiaphragm . The lungs are clear , without focal consolidation , pleural effusion , or pneumothorax . There is mild bibasilar atelectasis .
    OUTPUT:
    
Low lung volumes , without evidence of pneumonia .