Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Similar size of small right pleural effusion with interval increase in right medial lower lung opacity which may represent infection or atelectasis . There is a minimal left pleural effusion but no left lung consolidation . No pneumothorax . The catheter of a right chest wall port , which has been accessed , terminates in the right atrium . Right pleural drain is in a different configuration compared to the prior exam .
    OUTPUT:
    
1 . Stable small right pleural effusion with medial right lower lung opacity , consistent with either infection or atelectasis . 2 . Right pleural drain is in different position compared to the prior exam . Please correlate with drain function .