Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Hyperinflated lungs with flattening of the diaphragms is consistent with COPD . There is no focal consolidation , pleural effusion or pneumothorax . There is no vascular congestion or interstitial pulmonary edema . Stable biapical scarring . Mediastinal and hilar contours stable . Mild cardiomegaly is unchanged .
    OUTPUT:
    
1 . No acute intrathoracic process . 2 . COPD .