Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The trachea is midline . The cardiomediastinal silhouette is within normal limits . The aorta and pulmonary vasculature are unremarkable . There is no consolidation or pulmonary nodule . There is no pleural effusion . Degenerative changes of the thoracic spine are mild .
    OUTPUT:
    
No acute cardiopulmonary process .