Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube again terminates 5 cm from the carina . Lung volumes remain low , with bibasilar atelectasis . Apparent minimally increased aeration at the left base , which may be positional . Moderate right and small left pleural effusions are unchanged . There is stable mild cardiomegaly , central venous congestion , and interstitial edema .
    OUTPUT:
    
Unchanged pulmonary edema and low lung volumes .