Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest . The patient has been extubated with removal of bilateral chest tubes and NG tube . Right IJ central venous catheter terminates in lower SVC . Sternotomy wires are intact . Mild cardiomegaly and mediastinal contours are stable . Lung volumes have increased with improved left greater than right bibasilar atelectasis . No pneumothorax .
    OUTPUT:
    
Increased lung volumes with improving bibasilar atelectasis .