Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a moderate right pleural effusion which causes right lower lobe atelectasis . Underlying right lower lobe consolidation can not be excluded . There is no vascular congestion or pneumothorax . The cardiac and mediastinal contours are normal . There is no acute soft tissue or osseous abnormality . There is no free air beneath the hemidiaphragms .
    OUTPUT:
    
Moderate right pleural effusion and resultant right lower lobe atelectasis . Underlying right lower lobe infection can not be excluded .