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 ___ . Compared with prior , there has been significant interval enlargement of the right - sided pleural effusion which is now large . There is some aerated right upper lobe however there is essentially complete collapse of the lower lobe with underlying consolidation not completely excluded . Left lung is clear and there is no left pleural effusion . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Significant interval enlargement of the right - sided pleural effusion which is now large .