Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube is 4 .3 cm from the carina . Left internal jugular central venous catheter remains in the low SVC at about the superior cavoatrial junction . Right internal jugular central venous catheter remains in the mid SVC . Enteric tube terminates in the stomach . There is persistent irregular high density material projecting over the left upper quadrant overall unchanged since ___ Small to moderate layering left pleural effusion with associated atelectasis is unchanged . The lungs are otherwise clear . Heart size is normal . The mediastinal and hilar contours are normal . There is no large pneumothorax .
    OUTPUT:
    
1 . Unchanged small to moderate layering left pleural effusion and atelectasis . 2 . Again there is indeterminate irregular high density material projecting over the left upper quadrant . If further evaluation is desired a CT would be necessary .