Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lung volumes are low . Lungs are grossly clear . No pneumothorax . Small , bilateral pleural effusions . Hilar contours are normal . The aorta is mildly tortuous .
    OUTPUT:
    
Small , bilateral pleural effusions . Otherwise , normal chest radiograph .