Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Midline sternotomy wires and mediastinal clips are again noted . An AICD device is positioned over the left chest wall with lead extending into the region of the right ventricle , unchanged . There is no pneumothorax or pleural effusion . No focal consolidation seen to suggest the presence of pneumonia . No pulmonary edema . There is mild subsegmental left lower lobe atelectasis . Cardiomediastinal silhouette is stable . Imaged bones appear intact .
    OUTPUT:
    
No acute findings , including no pneumothorax .