Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . There is no focal consolidation , effusion or pneumothorax . There is mild interstitial edema . The heart size is within normal limits . The aorta is mildly unfolded with mild aortic atherosclerotic calcification . Bony structures appear intact .
    OUTPUT:
    
Mild interstitial pulmonary edema .