Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The lungs are well expanded . There is no focal consolidation , pleural effusion or pneumothorax . Opacity adjacent to the right heart border is unchanged since ___ and corresponds to a fat pad on prior CT . Heart size is normal . Mediastinal silhouette and hilar contours are normal .
    OUTPUT:
    
No pneumonia , edema or effusion . No change from ___ .