Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right porta cath terminates in the right atrium . No pneumothorax . The mediastinal contours , hila , and cardiac borders are unchanged . Small right and moderate left pleural effusions are unchanged . Increased opacity in right lower lung likely represents overlapping soft tissue and atelectasis .
    OUTPUT:
    
No significant change from previous examination . Stable small right and moderate loculated left pleural effusions . It is impossible to exclude super infection .