Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube is in good position and the left PICC remains in the right atrium . No pneumothorax . New right upper lobe collapse . The lung volumes remain low , with worsening left and improving right basilar atelectasis . The heart is mildly enlarged . No pleural effusions .
    OUTPUT:
    
New right upper lobe collapse . Worsening left basilar and improved right basilr atelectasis .