Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Dual lead left - sided pacemaker is seen with leads extending to the expected positions of the right atrium and right ventricle . No focal consolidation is seen . No pleural effusion or pneumothorax is seen . The cardiac silhouette is mildly enlarged . Mediastinal contours are unremarkable . There may be minimal central pulmonary vascular engorgement without overt pulmonary edema .
    OUTPUT:
    
No focal consolidation to suggest pneumonia . Mild cardiomegaly . Possible minimal central pulmonary vascular engorgement without overt pulmonary edema .