Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild cardiomegaly . Normal mediastinal and hilar contours . Stable tortuosity of the descending aorta . Increased AP diameter of the chest and flattening of the diaphragms suggests COPD . Mild scoliosis is unchanged . No focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
No acute process .