Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Moderate cardiomegaly and mediastinal contours are stable . Biapical symmetric thickening is unchanged . Blunting of the costophrenic angles is chronic . No focal consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process .