Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval retraction of the endotracheal tube , which is now 12 cm from the carina , above the thoracic inlet . This should be advanced by 5 - 6 cm for more appropriate positioning . The right PICC line and enteric tubes are unchanged . Lung volumes remain low and pulmonary vascular congestion is unchanged , mild . No pneumothorax or large pleural effusion . Stable mild cardiomegaly .
    OUTPUT:
    
Tip of the endotracheal tube has retracted , now 12 cm from the carina , should be advanced by no less than 5 cm for more appropriate positioning .