Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Comparison is made to prior radiograph dated ___ . Heart is enlarged with bilateral increased airspace opacities . Prominent interstitial markings at the periphery are distally noted as well as prominent central vascular fullness . While there is no large pleural effusion , these findings are most concerning for pulmonary edema and heart failure . There is no pneumothorax . Visualized osseous structures demonstrates no acute abnormality .
    OUTPUT:
    
Mild pulmonary edema .