Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable supine frontal chest radiograph demonstrates interval intubation , with the endotracheal tube terminating in the mid thoracic trachea . There has also been interval placement of a right PICC , which terminates at the cavoatrial junction . The remainder of the exam is largely unchanged , except for improved aeration of the left lower lung .
    OUTPUT:
    
1 . Endotracheal tube terminating in the mid thoracic trachea and the right PICC terminating at the cavoatrial junction . 2 . Improved aeration of the left lower lung .