Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated , with flattening of the diaphragms , in keeping with known diagnosis of chronic obstructive pulmonary disease . Bilateral pleural effusions have significantly improved , resolved on the left and with residual blunting of the costophrenic angle on the right which may reflect scarring / atelectasis . There is no focal consolidation , pleural effusion or pneumothorax . The cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
COPD . No acute cardiopulmonary process .