Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous exam from ___ . When compared to prior , there has been near complete interval resolution of the patchy opacities projecting over the right upper lung as well as the left upper lung . There is , however , new patchy opacity at the left lung base with blunting of the left costophrenic angle . The cardiomediastinal silhouette is stable as are the osseous and soft tissue structures .
    OUTPUT:
    
Overall improvement of the bilateral opacities identified on prior . However , there has been progression of disease at the left lung base suggesting possible new pneumonia and small effusion . Two - view chest x-ray may help further characterize .