Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A moderate right pleural effusion with overlying atelectasis is again seen , are similar in extent as compared to the prior study . The left lung is clear . No pneumothorax is seen . The cardiac and mediastinal silhouettes are stable . No definite acute fracture is identified radiographically .
    OUTPUT:
    
Moderate right pleural effusion with overlying atelectasis , similar in extent as compared to the prior study ; underlying consolidation not excluded .