Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous exam from ___ . New when compared to prior is a large right - sided pleural effusion . Some fluid is also seen layering in the minor fissure which is elevated . Underlying compressive atelectasis is seen , although underlying consolidation is not completely excluded . There is no significant pulmonary vascular congestion or left pleural effusion . Cardiomediastinal silhouette is within normal limits noting that its right border is not clearly delineated . Wedge deformity at L1 is stable when compared to previous exam . Osseous and soft tissue structures are otherwise unremarkable .
    OUTPUT:
    
Moderate - to - large right - sided pleural effusion with adjacent atelectasis , although underlying consolidation / infection is not excluded .