Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . Cardiac silhouette is normal in size . Mediastinal contour is unremarkable . There is no pleural effusion , pneumothorax or evidence of pneumonia . No non-displaced rib fractures identified on these non-dedicated films .
    OUTPUT:
    
No evidence of acute cardiopulmonary process . Osseous evaluation is limited with conventional chest radiography , and dedicated rib films can be obtained if there is concern .