Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube in the proximal right mainstem bronchus . Additionally , the balloon may be hyperinflated . Right central venous catheter ends in the mid SVC . A nasoenteric tube ends in the stomach . There is increased opacification in the perihilar regions , right greater than left , possibly related to vascular fullness . There is no pneumothorax . There is no pneumomediastinum . There is no large pleural effusion .
    OUTPUT:
    
1 . Right mainstem bronchus intubation , recommend retracting tube approximately 3 cm for more optimal positioning query hyperinflated balloon . 2 . No evidence of pneumomediastinum . 3 . Perihilar opacity , right greater than left , possibly related to vascular fullness ; right perihilar consolidation not excluded .