Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lung volumes are low limiting assessment . There is mild left basal atelectasis . No convincing signs of pneumonia , edema , effusion or pneumothorax . Cardiomediastinal silhouette appears normal . No acute bony abnormalities . No free air below the right hemidiaphragm .
    OUTPUT:
    
Mild left basal atelectasis , no convincing signs of pneumonia or edema .