Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Low lung volumes limits assessment . Allowing for this , there is mild bibasilar atelectasis . There is no convincing evidence for pneumonia , effusion , pneumothorax or edema . Cardiomediastinal silhouette appears grossly unchanged allowing for slight differences in technique . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Mild basilar atelectasis . Otherwise unremarkable . Limited exam due to low lung volumes .