Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of the endotracheal tube terminates 2 .9 cm above the carina in appropriate position . Remaining support and monitoring devices including bilateral chest tubes , right IJ central venous catheter are in unchanged positions . The tip of the nasogastric tube courses out of the field of view of this study . There is unchanged moderate cardiomegaly as well as mild pulmonary vascular congestion . Previously seen layering right pleural effusion has largely cleared but this appearance could also be due to upright positioning of patient .
    OUTPUT:
    
1 . Tip of the endotracheal tube terminates 2 .9 cm above the carina in appropriate position . 2 . Likely interval improvement in right pleural effusion , though this could also be explained by upright patient positioning . Persistent moderate cardiomegaly and mild vascular congestion .