Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right IJ tip is in mid SVC . Mild bibasilar plate - like atelectasis in the left mid and right lower lobes . Improved lung volumes without pleural effusion , pneumothorax , pulmonary edema or additional focal opacities . Heart size , mediastinal contour and hila are normal . No bony abnormality .
    OUTPUT:
    
Improved lung volumes with mild bibasilar atelectasis , right greater than left . No pleural effusion , pulmonary edema or pneumonia .