Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well inflated and clear . No pleural effusion or pneumothorax . Mild cardiomegaly is noted . Mediastinal contour and hila are unremarkable . Limited assessment of the osseous structures are notable for mild multilevel degenerative changes of the thoracic spine with anterior osteophytes , endplate sclerosis and disc space narrowing .
    OUTPUT:
    
1 . No acute cardiopulmonary process . No displaced rib fracture . 2 . Mild cardiomegaly .