Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright frontal and lateral chest radiographs demonstrate a moderately enlarged heart with mild venous engorgement , trace pleural effusions , fluid in the minor and major fissure , moderate interstitial and alveolar prominence suggesting moderate pulmonary edema . No focal opacity to suggest pneumonia . No pneumothorax . Again seen is pacer device projecting over the left heart with unchanged lead position . Visualized osseous structures are unremarkable .
    OUTPUT:
    
Moderate pulmonary edema .