Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Linear densities in the lower lungs most consistent with atelectasis . No convincing signs of pneumonia or edema . No large effusion or pneumothorax . Cardiomediastinal silhouette is unchanged . Bony structures are intact .
    OUTPUT:
    
Scattered atelectasis , no signs of pneumonia .