Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is of normal size with normal cardiomediastinal contours . There is calcification of the aortic knob . Lung volumes are low , exaggerating bronchovascular markings . Blunting of the right costophrenic angle may represent a small pleural effusion . No focal consolidation or pneumothorax . No radiopaque foreign body . Osseous structures are unremarkable .
    OUTPUT:
    
Small right pleural effusion . No focal consolidation .