Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A frontal supine view of the chest was obtained portably . The endotracheal tube ends 7 cm above the carina and could be advanced for better seating . The left subclavian line ends in the upper SVC . An upper enteric tube ends in the stomach . Lung volumes are slightly lower than on the prior study . The right basilar opacity is unchanged . New left basilar opacity is likely atelectasis given the lower lung volumes . Hyperlucency at the left lung base is likely due to confluence of shadows , unchanged since ___ and unlikely to be a pneumothorax . There is no substantial pleural effusion . Cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
1 . ETT ends 7 cm above the carina and could be advanced for better seating . 2 . Otherwise , little change from ___ .