Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube is 5 cm from the carina . Left internal jugular central venous catheter is near the superior cavoatrial junction , unchanged . There is persistent collapse of the right middle and lower lobes . The right upper lobe is clear . Atelectasis at the left base is improved . The right heart border is obscured however the heart is likely normal in size . There is no large pneumothorax . There is a presumed small right pleural effusion . There is persistent deformity of the right clavicle .
    OUTPUT:
    
1 . Persistent collapse the right middle and lower lobes . 2 . Mild atelectasis at the left base is improved .