Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are noted on current exam . Increased interstitial markings are seen throughout the lungs which could be due to chronic underlying interstitial process . Patient status post prior right upper lobectomy . Increased opacity projecting over the right lung apex is unchanged from prior and is likely in part post surgical in nature . Nodular right mid lung opacity is unchanged dating back to ___ . There are more conspicuous bibasilar opacities laterally . The cardiomediastinal silhouette is unchanged . Right chest wall single lead pacing device is noted . Prior right thoracotomy changes are seen .
    OUTPUT:
    
Low lung volumes . Bibasilar opacities could be secondary to atelectasis although infection would be possible . Consider PA and lateral to further characterize if patient is amenable