Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly and cardiomediastinal contours are stable . The course of the descending thoracic aorta is noted to be tortuous , as before . The lungs are hyperinflated with flattened diaphragms , consistent with COPD . Mild atelectasis in the posterior left lung is similar to prior . Lungs are otherwise clear without focal consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
No new focal consolidation . Mild cardiomegaly , similar to prior .