Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs remain clear . There is no focal consolidation to suggest pneumonia , and there is no effusion or pneumothorax . Prominent apical pericadial fat pat is unchanged in appearance since ___ . Hilar and cardiomediastinal contours are unremarkable . There is no pulmonary vascular congestion or edema . The aortic knob is mildly calcified , and there is tortuosity of the descending aorta , unchanged . There are degenerative changes in the thoracic spine , without acute compression deformity .
    OUTPUT:
    
No acute cardiopulmonary process .