Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are slightly low . The lungs are clear . The heart size is normal . The descending thoracic aorta is slightly tortuous . Aortic calcifications are noted . The mediastinal contours are otherwise unremarkable . There are no pleural effusions . No pneumothorax is seen . There has been interval removal of the right IJ catheter and right PICC .
    OUTPUT:
    
No acute cardiac or pulmonary process .