Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is persistent round masslike opacity at the right lung base . There is small right pleural effusion . Right chest tube is in unchanged position . There is slightly increased left interstitial edema and atelectasis . No pneumothorax . ET tube terminates 4 .3 cm above the carina . NG tube terminates in the stomach . Right PICC terminates at mid SVC . Cardiomediastinal silhouette is normal size .
    OUTPUT:
    
There is persistent rounded mass like opacity at the lung base with small right pleural effusion . Left lung interstitial edema and atelectasis is slightly increased .