Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube tip projects approximately 3 .5 cm above the carina . Unchanged right IJ central line with tip projecting over the lower SVC , and NG tube in the stomach . Lungs remain hyperinflated . The right lower lobe opacity is unchanged . The left lower lobe opacity may be slightly improved , however this appearance may be a product of slight leftward rotation on this study . Heart size is top normal . No pneumothorax .
    OUTPUT:
    
1 . Unchanged right lower lobe opacity . The left lower lobe opacity may be slightly improved , however the patient is slightly rotated to the left on the current study , which may confound findings . 2 . No evidence of pneumothorax .