Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrates a heart top normal in size . Over pulmonary edema . Hilar and mediastinal contours are unremarkable . There is no pleural effusion or pneumothorax . Osseous structures are without an acute abnormality .
    OUTPUT:
    
Heart size is top - normal . No evidence of pulmonary edema .