Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low , accentuating the pulmonary vasculature . Bilateral hazy opacifications of the bases , greater on the left that the right , are like atelectasis . There is no pleural effusion or pulmonary edema . There is no pneumothorax . The cardiomediastinal silhouette is normal . There is no widening of the mediastinum .
    OUTPUT:
    
1 . Bilateral basilar opacification is likely due to atelectasis . 2 . Normal mediastinal contour .