Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An ICD device is noted over the left anterior chest . Lead positions remain unchanged from the prior study . Heart is normal in size and configuration . Cardiomediastinal contours are unremarkable . Lungs are clear with no evidence of focal infiltrates . No pleural effusion and no pneumothorax .
    OUTPUT:
    
Biventricular ICD leads remain in the same position as in the previous examination of ___ .