Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate a midline trachea with resolution of the bibasilar opacities . Lung volumes remain low , accentuating the cardiac contour . Small bilateral pleural effusions are seen . No pneumothorax is seen .
    OUTPUT:
    
Resolution of bibasilar opacities . Small bilateral pleural effusions .