Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear . Cardiac silhouette is normal . Tortuous thoracic aorta . Slight blunting at the left costophrenic angle , pleural thickening vs minimal pleural fluid . This preliminary report was reviewed with Dr . ___ , ___ radiologist .
    OUTPUT:
    
Normal AP portable radiograph the chest