Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates a moderate sized left pleural effusion and bibasilar opacities , which may represent atelectasis , however aspiration or pneumonia could be considered in the appropriate clinical setting . Additional areas of opacity are seen in the right upper lobe , which again may represent atelectasis , aspiration or pneumonia . The cardiac silhouette appears enlarged . No pneumothorax . Nasogastric tube courses into the stomach . Endotracheal tube ends 4 .5 cm from the carina .
    OUTPUT:
    
1 . Moderate left pleural effusion . 2 . Multifocal airspace opacities may represent atelectasis , aspiration , or pneumonia in the appropriate clinical setting . 3 . Unremarkable position of monitoring and support devices