Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild bibasilar atelectatic changes are noted . Otherwise , the lungs are clear with no evidence of a consolidation , effusion , or pneumothorax . Cardiac and mediastinal contours appear stable with mild cardiomegaly . Mild atherosclerotic calcifications are noted at the aortic arch ; otherwise , aorta is within normal limits . No acute fractures are identified .
    OUTPUT:
    
No acute cardiopulmonary process . Mild cardiomegaly is stable .