Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Opacity of the right lung , pleural thickening and mediastinal distortion consistent with post radiation changes better assessed with recent chest CT . An overlying pneumonia or pulmonary embolus can not be excluded . Heart size is normal . No pneumothorax .
    OUTPUT:
    
Opacification of the right lung with pleural thickening and mediastinal distortion is consistent with postradiation changes . An overlying pneumonia or pulmonary embolus can not be excluded .