Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is a posterior pleural based mass on the right which is previous the characterized as rounded atelectasis . No new focal consolidation is identified . The cardiac silhouette is unchanged . Left chest single lead AICD is in unchanged position . There are likely small pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
Unchanged posterior pleural - based mass on the right which was previously characterized cyst rounded atelectasis . No acute findings .