Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate low lung volumes , which result in an exaggerated cardiac size and bronchovascular crowding . Allowing for this , cardiac size is mildly enlarged . There is no focal consolidation , pleural effusion , or pneumothorax . Mild bibasilar atelectasis is noted . No acute osseous abnormality is demonstrated .
    OUTPUT:
    
Low lung volumes with bibasilar atelectasis .