Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . Moderate lung hyperinflation is stable . Minimal thickening of posterior costodiaphragmatic angle on the right side seen on the lateral view is unchanged since ___ . There is no pleural effusion or pneumothorax . Mediastinal and cardiac contours are normal . Biopsy clips in left breast is unchanged .
    OUTPUT:
    
There is no evidence of pneumonia . The exam is unchanged since ___ .