Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube is appropriately positioned , ending 4 cm above the level of the carina . A right internal jugular central venous catheter ends in the low SVC . An enteric catheter courses below the level of the diaphragm and out of the field of view inferiorly . Bibasilar atelectasis , left greater than right , is slightly increased . Lung volumes are low . Mild enlargement of the cardiac silhouette is not significantly changed . Small pleural effusions are not excluded . There is no pneumothorax .
    OUTPUT:
    
1 . Low lung volumes with slight increase in bibasilar atelectasis , worse on the left . 2 . Appropriately positioned lines and tubes .