Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal and hilar contours are stable with post-CABG . There has been some reaccumulation of right pleural fluid , resulting in a small right pleural effusion . The left costophrenic angle remains blunted , in keeping with history of left decortication . The lungs are well expanded with slight atelectasis at the right base .
    OUTPUT:
    
Reaccumulation of a small right pleural effusion with adjacent atelectasis .