Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Other than lower lung volumes , no significant interval change in the radiographic appearance of the chest . Linear opacities in the left lung base , are consistent with atelectasis , unchanged . No focal consolidation , edema , effusion , or pneumothorax . The heart is normal in size . Surgical clips projecting over the left abdomen abdomen and tube over the right upper abdomen are unchanged .
    OUTPUT:
    
Low lung volumes and atelectasis without evidence of pneumonia .