Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of the left - sided chest tube . The right IJ central line terminates in the lower SVC . Aortic valve hardware is again noted . Median sternotomy wires are intact . Cardiomediastinal silhouette is unchanged . The lung volumes are low . Small bilateral effusions are noted . Mild improvement in bibasilar atelectasis . No pulmonary edema or pneumothorax .
    OUTPUT:
    
1 . There is no pneumothorax . 2 . Small bilateral effusions and bibasilar atelectasis .