Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is moderate cardiomegaly . The aortic knob is calcified . The mediastinal and hilar contours are unchanged , with mild unfolding of the thoracic aorta . There is mild pulmonary edema . Trace right pleural effusion is present . No pneumothorax or focal consolidation is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Mild congestive heart failure and small right pleural effusion .