Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is within normal limits . The mediastinal contours are within normal limits ; specifically no prominent pulmonary arterial contour is evident . The lungs are clear without evidence of consolidation or peripheral opacities . The pattern of pulmonary vasculature appears unremarkable . There is no pleural effusion or pneumothorax . No displaced rib fractures are evident .
    OUTPUT:
    
No acute cardiopulmonary process - specifically , no radiographic evidence of PE is seen ; if clinical concern for such persists , chest CTA or V / Q scan may be considered .