Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are well inflated and clear . No pleural effusion or pneumothorax . Heart size , mediastinal contour , and hila are unremarkable . Limited assessment of the osseous structures are notable for mild multilevel degenerative changes with anterior flowing osteophytes , disc space narrowing and subchondral sclerosis most prominent in the mid thoracic level . No displaced rib fracture .
    OUTPUT:
    
1 . No acute cardiopulmonary process . Specifically , no pneumonia 2 . No displaced rib fracture .