Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Port - A - Cath terminates in the lower SVC , unchanged . A single chamber pacemaker is appropriately positioned . In comparison to the prior study , there is increased diffuse bilateral hazy opacification with perihilar and lower lung predominance , consistent with moderate asymmetric pulmonary edema . Cardiomediastinal silhouette is stable . No large effusion or pneumothorax .
    OUTPUT:
    
Increased moderate diffuse pulmonary edema .