Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate pacemaker device projecting over left hemithorax , with leads terminating within the right atrium and right ventricle . There is no pleural effusion , focal consolidation or pneumothorax . The aorta appears prominent . Otherwise , hilar and mediastinal silhouettes are unremarkable . Heart is mildly enlarged . Perihilar pulmonary vascular congestion is noted . Partially imaged upper abdomen is unremarkable .
    OUTPUT:
    
Mild cardiomegaly and perihilar vascular congestion .