Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate a large right pleural effusion , substantially increased in size since prior . Additionally , there is a new linear opacity in the left mid lung zone which may represent atelectasis or consolidation . The mediastinal and hilar contours are unchanged . There is no pneumothorax . Minimally displaced right rib fractures are better seen on priors .
    OUTPUT:
    
1 . Large right pleural effusion . 2 . Linear opacity in the left mid lung zone may represent atelectasis or pneumonia in the correct clinical setting .