Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Left chest wall vagal nerve stimulator is again seen . There is new blunting of the posterior costophrenic angles suggestive of trace bilateral pleural effusions . Superiorly the lungs are grossly clear noting crowding of the bronchovascular markings likely secondary to lower lung volumes . No acute osseous abnormality detected .
    OUTPUT:
    
New small bilateral effusions without other acute cardiopulmonary process .