Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: One AP portable view of the chest . A left - sided pacemaker ends with leads in unchanged position . The sternotomy wires are intact . Mediastinal clips and vascular stent in the right upper mediastinum is unchanged . There is moderate cardiomegaly . Compared to prior study , there are new increased diffuse parenchymal opacities , most consistent with mild pulmonary edema . Assessment for focal consolidation is limited due to overlying edema .
    OUTPUT:
    
Moderate cardiomegaly and mild pulmonary edema , can not rule out infection .