Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Dual lead left - sided pacemaker is seen with lead extending the expected positions of the right atrium and right ventricle . The cardiac silhouette remains mildly enlarged . The aorta is tortuous . Mild prominence of the hila may be due to central pulmonary vascular engorgement . There is mild pulmonary vascular congestion . No focal consolidation is seen . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Mild cardiomegaly and mild pulmonary vascular congestion .