Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate similar appearance to sternal reconstruction . There is elevation of the left hemidiaphragm , with a small left pleural effusion . There is no pneumothorax . The pulmonary vasculature is normal . The lungs are notable for retrocardiac atelectasis . The pulmonary vasculature is normal . A lap band is partially visualized .
    OUTPUT:
    
Left basilar atelectasis and a small left pleural effusion .