Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are hyperexpanded . Increased lucency in the left base is more prominent than on previous chest radiographs . Increased lucency in the right base is stable and likely represents sequela of emphysema . The mediastinal contours , hila , and cardiac borders are normal . Endotracheal tube terminates 6 .3 cm above the carina . Left PICC is stable terminating in the low SVC . No pleural effusion . Enteric tube is unchanged with distal tip coursing out of view .
    OUTPUT:
    
1 . Endotracheal tube in appropriate position . 2 . Increased lucency in the left base is more prominent than on previous chest radiographs and likely represents emphysematous bulla although if there is any clinical concern for pneumothorax , CT of the chest is recommended to further characterize .