Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate multiple sternal wires , which are intact . There is again moderate cardiomegaly , with lower lung volumes compared to ___ . Mild pulmonary edema is increased . There may be a right hilar infiltrate . There is no large pleural effusion or pneumothorax . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
Mild pulmonary edema is increased compared to ___ . There may be a right hilar infiltrate .