Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The aorta is tortuous but unchanged . Mediastinal and hilar contours are otherwise unremarkable . Pulmonary vasculature is normal . Streaky atelectasis is noted in both lung bases . No focal consolidation , pleural effusion or pneumothorax is present . Known multiple myeloma lesions involving the right - sided ribs and thoracic spine are better assessed on the previous CT .
    OUTPUT:
    
No acute cardiopulmonary abnormality .