Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded and clear . Heart size is normal . Bilateral hilar prominence appear similar to prior , and again may reflect prominent vessels . Previous described streaky opacity in the left mid lung is resolved . The costophrenic angles are not well evaluated on the lateral view due to technique . No pneumothorax . Chronic deformity of the left humaral head is stable .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Bilateral hilar prominence , unchanged , likely due to prominent vascular structures .