Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Pericardial leads are present terminating overlying the anterior right ventricle and a second more posteriorly . Lungs are well expanded and clear . No pleural effusion or pneumothorax . Small diameter sternotomy wires are consistent with history of congenital heart history , the most inferior of which is fractured . A lobulated contour of the right heart border and middle mediastinum is of unclear significance without priors for comparison , likely due to congenital history . The left hemidiaphragm is elevated .
    OUTPUT:
    
Pericardial leads are present . No pleural effusion or pneumothorax .