Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lines and Tubes : A pacemaker overlies the right mid zone with pacer wires in unchanged position compared to the prior radiograph . Lungs : Well inflated with increased vascular congestion diffusely . Pleura : There is no pleural effusion or pneumothorax Mediastinum : There is stable cardiomegaly . Bony thorax : Degenerative changes of the thoracic spine noted .
    OUTPUT:
    
Mild pulmonary edema with stable cardiomegaly . No pleural effusions . Unchanged position of pacemaker .