Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided dual lumen central venous catheter tip terminates in the proximal right atrium . The cardiac silhouette size is normal . The aorta is mildly unfolded , with aortic knob calcifications noted . Lungs are clear and the pulmonary vasculature is normal . No pleural effusion or pneumothorax is seen . No acute osseous abnormalities demonstrated . Marked left glenohumeral degenerative changes are seen . Surgical clips are noted within the upper abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .