Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest demonstrates ET tube extending to 4 .7 cm above the carina . A left subclavian approach dual lumen central venous catheter is stable in position with tip terminating in the lower SVC . The heart is top - normal in size . The mediastinal and hilar contours are stable . There is a similar appearance of the left lower lobe collapse and concurrent pleural effusion , better delineated on prior CT . Linear atelectasis in the right middle lobe and lower lobe . There is no evidence of pneumothorax or right pleural effusion .
    OUTPUT:
    
ET tube in appropriate position .