Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are mildly hypoinflated with crowding of vasculature . No pleural effusion or pneumothorax . Heart size , mediastinal contour , and hila are unremarkable . Limited assessment of the osseous structures are notable for mild degenerative changes of the thoracolumbar spine with anterior osteophytes .
    OUTPUT:
    
1 . No acute cardiopulmonary process .