Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate bibasilar opacities right greater than left . The aorta is tortuous . The cardiomediastinal silhouette is otherwise normal .
    OUTPUT:
    
Bibasilar opacities , larger on the right are likely atelectasis . In the proper clinical setting , this can represent pneumonia .