Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient status post pacemaker generator change . Single transvenous right ventricular pacer defibrillator lead is continuous with a left pectoral generator . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax . No mediastinal widening . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Pacer lead in standard position and is contiguous with a left pectoral generator . No evidence of pneumothorax , mediastinal widening , or pleural effusions .