Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is borderline enlarged . The aortic knob is calcified . Mediastinal contours are unremarkable . There is mild pulmonary edema , slightly more pronounced on the right compared to the left . There is minimal blunting of the right costophrenic angle suggestive of a trace pleural effusion . No pneumothorax is identified . No acute osseous abnormalities are identified .
    OUTPUT:
    
Mild pulmonary edema and small right pleural effusion .