Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and left - sided pacer with leads terminating in the right atrium , right ventricle , and region of the coronary sinus . Mild cardiomegaly is unchanged . Mediastinal and hilar contours are unremarkable . There is mild pulmonary vascular engorgement . No overt pulmonary edema is present . No pleural effusion , focal consolidation or pneumothorax is identified . No acute osseous abnormalities detected .
    OUTPUT:
    
Mild cardiomegaly with mild pulmonary vascular congestion .