Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is a large right pleural effusion with overlying atelectasis , underlying consolidation not excluded . There is subsequent mild shift of the mediastinum to the left . There is minimal left mid - to - lower lung atelectasis / scarring . No definite left - sided consolidation is seen . There is no left pleural effusion . No pneumothorax is seen . The right aspect of the cardiac border is not well assessed due to the right - sided opacity . The left side cardiac silhouette is unremarkable . The mediastinum is grossly unremarkable .
    OUTPUT:
    
Large right pleural effusion .