Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tip of endotracheal tube is in unchanged position and heart and mediastinal contours are also stable . A small right pleural effusion is present . Right - sided PICC line has been pulled back to the level of the central subclavian vein on the right . New , mild right basilar subsegmental atelectasis .
    OUTPUT:
    
Small right pleural effusion and slight interval increase in subsegmental atelectasis right lung base . Note right - sided PICC line tip now pulled back to level of central subclavian vein on that side