Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is mildly enlarged . Aortic knob is calcified . Perihilar haziness and vascular indistinctness is compatible with mild pulmonary edema . More focal patchy opacity in the right lung base may reflect asymmetric pulmonary edema but an area of infection or aspiration is not excluded . No pleural effusion or pneumothorax is seen . Contrast material is noted within the colon .
    OUTPUT:
    
Mild pulmonary edema . More focal patchy opacity in the right lung base may reflect asymmetric pulmonary edema , but infection or aspiration is not excluded . Continued followup after diuresis is recommended .