Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right Port - A - Cath remains in unchanged position . Bibasilar opacities , likely representing a combination of effusion and atelectasis have worsened since ___ . No change in cardiomediastinal silhouette . No pneumothorax . Loculated air fluid collection in the right upper quadrant persists , not significantly changed from ___ , but unusual 8 days after surgery .
    OUTPUT:
    
1 . Bibasilar opacities likely a combination of effusion and atelectasis ; although , pneumonia is also possible in the right clinical setting . 2 . The recurrent air-fluid loculation in the right upper quadrant is unusual 8 days after surgery , correlate with clinical situation to guide further workup .