Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube and NG tube with side port are in acceptable locations . Right - sided pleural drain is seen without associated pneumothorax . Left PICC line terminating in the right atrium is unchanged . Extensive subcutaneous air is improving located in the right chest wall , axilla and right neck . Left retrocardiac opacity has improved . Extensive right hemi thorax atelectasis , edema and effusion is unchanged .
    OUTPUT:
    
Improving right chest wall and neck subcutaneous air . Left retrocardiac opacity has improved . Unchanged right hemi thorax atelectasis , edema and effusion .