Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a large right hydropneumothorax with a moderate amount of fluid . It is difficult to compare size ; however , copared to the prior CT chest , it appears mostly unchanged . There is no evidence of tension as is supported by the fact that the trachea , the aortic knob , and the left heart border appear in similar position as radiograph prior to the pneumothorax on ___ . Hazy opacities are seen involving the right middle and lower lobes . The localized nature of this process more likely represents hemorrhage or infectious process rather than reexpansion edema . The left lung is clear . The cardiomediastinal silhouette is stable . There are no acute bony abnormalities .
    OUTPUT:
    
1 . Large right hydropneumothorax , most likely unchanged in size from recent CT . No evidence of tension . 2 . Hazy opacities involving the right middle and lower lobes most likely represents hemorrhage or infectious process . These findings were discussed with Dr . ___ by Dr . ___ ___ telephone at 10 : 45 am .