<num>. slight interval improvement in aeration of the bilateral upper lungs, with stable moderate bilateral pleural effusions and adjacent atelectasis. <num>. interval widening of the superior mediastinum may be related to recent central line placement, and may represent hematoma or abscess. <num>. endotracheal tube ends <num> cm in the carina and the endotracheal tube cuff appears overinflated. <num>. central line ends in the right atrium, in unchanged position.