Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views the chest provided . Lung volumes are somewhat low with a linear density in the right lower lung likely representing atelectasis . No convincing evidence for pneumonia or edema . No large effusion or pneumothorax . Cardiomediastinal silhouette is normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Mild right basal atelectasis . No convincing evidence of pneumonia .