Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable frontal chest radiograph demonstrates mild cardiomegaly , unchanged . Bilateral opacifications most consistent with atelectasis mildly increased when compared to chest radiograph dated ___ . Pleural effusion is indeterminate . An enteric tube is seen terminating 3 .2 cm above the level of the carina in appropriate position . A left PICC terminates in the mid to low superior vena cava . No pneumothorax .
    OUTPUT:
    
Bibasilar atelectasis mildly increased .