Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . There is slight deformity of the anterior right fourth rib , likely post-traumatic . The lungs are clear . The heart , mediastinum , hila , and pleural surfaces are normal . No pneumothorax . No pleural effusions . No evidence of pneumonia .
    OUTPUT:
    
No acute cardiopulmonary process .