Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , decreased compared to the prior study from ___ , causing exaggeration of the heart size and accentuation of the pulmonary vasculature . The lungs are clear . The heart size is normal . The mediastinal contours are normal . There are no pleural effusions . No pneumothorax is seen . A right internal jugular central venous catheter ends in the mid SVC , new compared to the prior study from ___ .
    OUTPUT:
    
No acute cardiac or pulmonary process .