Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable with moderate to severe enlargement of the cardiac silhouette in widening of the mediastinum . Calcified mediastinal lymph nodes are stable in appearance . Known calcified pericardium is not well visualized on the current study appear There is a small to moderate right pleural effusion and a small left pleural effusion , not significantly changed . Lung volumes are low , and diffuse airspace opacities are not slightly improved at the lung bases . These may represent combination edema , but superimposed infection is not excluded . ETT and right internal jugular line are in unchanged , standard positions .
    OUTPUT:
    
Mild improvement in mulifocal airspace opacities since the most recent prior study , which may reflect improvement in pulmonary edema .