Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is unchanged . Hilar and mediastinal contours are normal . Haziness at the left lung base is unchanged and likely due to a large epicardial fat pad . The crescentic region of scarring in the left upper lobe is unchanged . No focal consolidation , pleural effusion , or pneumothorax . Surgical clips overlying the left midlung are in the left breast , as seen on the recent CT chest .
    OUTPUT:
    
No acute cardiopulmonary process .