Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An NG tube is present . The tip and side - port extend beneath the diaphragm . Right IJ central line tip overlies mid SVC . Again seen is essentially complete opacification of the left hemi thorax , probably with leftward shift of the mediastinum . The right lung is grossly clear , with possible minimal atelectasis inferiorly . The extreme right costophrenic angle is excluded from the film , but no gross effusion is identified .
    OUTPUT:
    
NG tube and side - port extend beneath the diaphragm . Essentially complete opacification left hemi thorax again seen . ? Leftward shift of mediastinum .