Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is again moderately enlarged . Prominence of the right hilum suggests mild prominence of central pulmonary arteries . The aorta is slightly tortuous . There is a slightly prominent pulmonary vascularity but without frank edema . Slight new blunting of the posterior right costophrenic sulcus suggests a trace pleural effusion . Bones appear slightly sclerotic although not definitely abnormal .
    OUTPUT:
    
Similar prominence of central pulmonary vessels without frank congestion . Possibly a trace new pleural effusion on the right .