Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . A right basilar pigtail catheter remains in place . A small right loculated pleural effusion with associated right basilar atelectasis is unchanged . Left basilar retrocardiac opacification is unchanged , and is most likely due to atelectasis . Moderate cardiomegaly despite the projection is also unchanged . There is no pneumothorax .
    OUTPUT:
    
No significant interval change from the study of 1 day prior .