Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no evidence of focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . Slight blunting at the left costophrenic angle is unchanged from ___ , and likely represents atelectasis versus scarring . The cardiac silhouette is top - normal in size .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .