Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right basilar atelectasis and bilateral pleural effusion appear less prominent , which may be partially due to patient position . No new consolidation . No pneumothorax . Moderate cardiomegaly is unchanged . The mediastinal silhouette is unchanged .
    OUTPUT:
    
Slight improvement of right basilar atelectasis and bilateral pleural effusion , probably partially due to patient position .