Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Single pacemaker lead is seen terminating in the right ventricle . Heart is borderline enlarged . Lung volume as on the lower side , however appears clear . There is no pleural effusion . No pneumothorax
    OUTPUT:
    
Single pacemaker lead in good position . No pneumothorax .