Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to ___ , a single lead ICD remains in place , with tip terminating in the right ventricle . Small amount of subcutaneous emphysema overlies the left axilla , likely related to recent placement of this device . There is no visible pneumothorax . Heart is upper limits of normal in size , aorta is mildly tortuous , and lungs are clear . Mild elevation of left hemidiaphragm is again demonstrated .
    OUTPUT:
    
ICD lead position as described . No evidence of pneumothorax .