Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Significant right pleural effusion has increased since ___ with compressive atelectasis and near collapse of right lower lobe . There is no pneumothorax . The left lung is unremarkable except for tiny basilar atelectasis and pleural effusion . Mediastinal and cardiac contours are normal . A pigtail projects in the right upper quadrant and there is also a biliary stent .
    OUTPUT:
    
Significant right pleural effusion with atelectasis has increased since ___ .