Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Flattening of diaphragms and interstitial prominence reflects COPD . No focal consolidation , effusion , or pneumothorax is present . The cardiac and mediastinal contours are normal . Multiple old healed rib fractures are again seen .
    OUTPUT:
    
Findings consistent with COPD . No acute cardiopulmonary process .