Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Tripolar pacer is unchanged with leads extending to the region of the right atrium , right ventricle and coronary sinus . The heart is mildly enlarged . There is pulmonary vascular congestion which is new from prior exam . The lungs appear clear without definite signs of pneumonia or alveolar edema . Right CP angle is excluded . No pneumothorax . Mediastinal contour is stable . Bony structures are intact .
    OUTPUT:
    
Cardiomegaly with central pulmonary congestion .