Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest demonstrates tip of ET tube at 2 .5 cm above the carina with patient 's chin tilted upward . A right subclavian approach central venous catheter has tip in the mid SVC . Low lung volume is persistent . Dense retrocardiac opacity persists , compatible with atelectasis . Upper lungs are clear . There is no large pleural effusion . There is no pneumothorax . Cardiomediastinal silhouette is within normal limits allowing for semi-upright position and AP technique .
    OUTPUT:
    
1 . ETT tip 2 .5 cm above carina with chin up , suggesting it would be low lying with patient in neutral position . Suggest withdraw by 2 cm . 2 . Persistent left cardiophrenic atelectasis . Findings reported to Dr . ___ via phone by Dr . ___ at 11 :30 am on ___ .