Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Status post right thoracotomy and upper lobectomy . Today 's image shows a relatively large right apical air - fluid level . The right lung is still not completely expanded . There are clips and suture lines are in constant position . No pleural effusions . No pneumonia , normal size of the cardiac silhouette .
    OUTPUT:
    
Remnant large air - fluid level at the level of the right apex , the postoperative right lung is still not fully expanded .