Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The aortic knob demonstrates mild atherosclerotic calcifications . Mediastinal and hilar contours are otherwise unchanged , with prominence of the right paratracheal stripe possibly reflecting tortuous vessels . Pulmonary vascularity is normal and the hilar contours are unremarkable . There is no focal consolidation , pleural effusion or pneumothorax . No acute osseous abnormalities are visualized . Multiple clips are re - demonstrated within the right lower neck , likely reflective of prior thyroid surgery .
    OUTPUT:
    
No acute cardiopulmonary abnormality .