Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation is seen . No pneumothorax is seen . There is blunting of the bilateral posterior costophrenic angle seen on the lateral view which could be due to trace pleural effusions versus pleural thickening . Chronic change at the left lung apex is seen , likely postsurgical . The cardiac silhouette is top - normal . Evidence of hiatal hernia is seen . There may be air within the esophagus .
    OUTPUT:
    
Blunting of the bilateral posterior costophrenic angles seen on the lateral view , could be due to trace pleural effusions versus pleural thickening . Hiatal hernia .