Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a large right pleural effusion may be minimally decreased in comparison to prior study . Right basilar atelectasis is again noted . Additionally , there is a new subtle opacity in the left lower lobe . Otherwise , cardiomediastinal silhouette is stable . Right PICC appears stable with the tip at the lower SVC .
    OUTPUT:
    
1 . Increased left basilar opacity . While this may be simple atelectasis , a developing pneumonia can not be excluded . 2 . Large right pleural effusion .