Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of an endotracheal tube that terminates at the carina , low in position . Recommend withdrawal by approximately 3 cm for more optimal positioning . Left - sided pacer device with leads partially imaged , grossly stable in position . The cardiac and mediastinal silhouettes are stable . There is mild to moderate pulmonary edema . Likely bibasilar atelectasis is seen . No large pleural effusion or pneumothorax . Partially imaged left humeral prosthesis .
    OUTPUT:
    
Interval placement of endotracheal tube terminates at the level of the carina , low in position . Recommend withdrawal by approximately 3 cm for more optimal positioning . Pulmonary edema .