Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest radiograph was obtained . The lungs are well expanded with unchanged dependent and loculated right pleural effusion , and accompanying atelectasis . Left retrocardiac atelectasis is increased minimally . Postsurgical changes from esophagectomy is noted . Heart is normal in size with unchanged mediastinal contours . No pneumothorax is seen .
    OUTPUT:
    
Slight increase in retrocardiac atelectasis with unchanged dependent and loculated right pleural effusions and atelectasis .