Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral lower lobe opacification likely represents a combination of the patient 's tumor burden and moderate effusions as seen on the CT from ___ . There is increased opacification of the left lower lobe which could represent tumor progression , atelectasis or a pneumonia . There is mild opacification of the upper lobes of the lungs which is consistent with focal airspace opacities . The cardiomediastinal silhouette and hilar contours are normal .
    OUTPUT:
    
Mild increased opacification of left lower lobe could be related to compression of the effusion , atelectasis or pneumonia . Mild upper lobe prominence of background pulmonary vascularity suggests mild coinciding vascular congestion .