Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Large pneumoperitoneum is re- demonstrated . The heart is enlarged but stable from multiple prior examinations . There is minimal opacity at the base of the right lung . There is no pleural effusion or pneumothorax identified . Of note , a skin fold over the left chest could be mistaken for a large pneumothorax .
    OUTPUT:
    
Minimal opacity at the base of the right lung appears improved from ___ and likely reflects residual atelectasis . Persistent large pneumoperitoneum , likely related to recent gastrostomy tube placement . Recommend evaluation of the gastrostomy for possible leak given the persistent large pneumoperitoneum .