Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No overt pulmonary edema . No lobar consolidation . Volume loss with mediastinal shift and calcified / noncalcified pleural thickening is chronic . Ill - defined opacity in the right lower lobe may be a combination of crowded vessels and atelectasis . Heart size is top normal . No pneumothorax or pleural effusion .
    OUTPUT:
    
Ill - defined opacity in the right lower lobe may be a combination of crowded vessels and atelectasis . No over pulmonary edema . Chronic volume loss and pleural thickening in the right lung .