Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly low . No focal consolidation , pleural effusion , or pneumothorax is seen . Heart size is top normal . Mediastinal contours are within normal limits ; aortic calcifications are noted . There is no evidence for pulmonary edema .
    OUTPUT:
    
Top normal heart size without evidence for pulmonary edema .