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 . Bibasilar atelectasis is noted left greater than right . No convincing signs of pneumonia . No large effusion or pneumothorax . Cardiomediastinal silhouette appears grossly unchanged . No acute osseous abnormality .
    OUTPUT:
    
Bibasilar atelectasis . No convincing evidence for pneumonia .