Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes cause bronchovascular crowding and subsegmental atelectasis . Bibasilar predominantly linear opacities are similar to ___ with questionable superimposed new patchy opacity at the right base . There is no pneumothorax , pleural effusion , or pulmonary edema . The cardiomediastinal silhouette is stable .
    OUTPUT:
    
Subtle right lung base opacity may represent developing consolidation or atelectasis .