Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates low lung volumes which results in bronchovascular crowding . Bibasilar atelectasis is worse on the left . Probable small right - sided pleural effusion . There has been interval improvement in aeration of the bilateral apices . Endotracheal tube ends 3 .2 cm carina . Nasogastric tube courses into the stomach and out of the field of view . No pneumothorax .
    OUTPUT:
    
Bibasilar atelectasis is worse on the left . Interval improvement in aeration of the bilateral apices .