Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The opacity identified on prior chest radiograph is not visualized on apical lordotic views . There is a right upper lobe perihilar opacity located centrally . There is also a consolidation of the left lower lobe . Again noted , the ascending aorta is mildly dilated and tortuous . Otherwise the cardiomediastinal and hilar silhouettes are normal . Pleural surfaces are normal .
    OUTPUT:
    
1 . Multifocal pneumonia 2 . Nonvisualization of prior opacity . .