Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval development of a small right pleural effusion as well as interval increase in the right basilar atelectasis since ___ , after the right - sided VATS procedure . The left basilar atelectasis has since improved , although the left hemidiaphragm remains elevated . The lung volumes remain low . The cardiomediastinal silhouette is unchanged . The mildly tortuous or dilated descending aorta is also unchanged . No pneumothorax or pulmonary edema .
    OUTPUT:
    
1 . Increased right basilar atelectasis and new small right pleural effusion since ___ , 2 days after VATS procedure , which may represent developing pulmonary hemorrhage or infection . 2 . Improving left basilar atelectasis since ___ .