Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is little change compared to a prior study . Heart size remains mildly enlarged . Hilar contours are unremarkable . Mild interstitial edema is unchanged . There is a small right pleural effusion . Endotracheal tube and right PICC line are in appropriate position . There is no pneumothorax . Small amount of pneumoperitoneum is present , likely from recent PEG tube placement and was also present on recent CT examination .
    OUTPUT:
    
Little change compared to a prior examination with re-demonstration of minimal interstitial edema and small right effusion . No focal consolidation worrisome for infectious process . Trace pneumoperitoneum is likely from recent PEG tube placement .