Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate multiple sternotomy wires and a left subcutaneous ICD with the lead in proper position , traveling along the left sternum within the subcutaneous tissues . There is mild unchanged cardiomegaly . The lungs are clear . Chronic blunting of the right costophrenic angle is again seen . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Left subcutaneous ICD with the lead in proper position .