Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest , PA and lateral . The lungs are clear . The hilar and cardiomediastinal contours are normal . There is no pneumothorax or pleural effusion . Pulmonary vascularity is normal . No displaced rib fracture is seen .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . No displaced rib fractures seen . However , the chest radiograph is an insensitive test for subtle rib fractures . If there is continued clinical concern , dedicated rib radiographs with a radiologic marker at the site of patient 's pain could be obtained .