Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post placement of left subclavian pacemaker with leads positioned in the right atrium and right ventricle . No pneumothorax or pleural effusion or pulmonary edema is seen . Mild cardiomegaly . No focal consolidation .
    OUTPUT:
    
Status post left pectoral pacemaker placement with leads appropriately positioned in the right atrium and right ventricle and no pneumothorax