Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest has been obtained with patient in sitting upright position . Comparison is made with the next preceding PA and lateral chest examination of ___ . The heart size remains normal . No new acute pulmonary parenchymal infiltrates can be identified . Appearance of the previously described right internal jugular approach central venous line is unaltered . No pneumothorax is seen . No pulmonary vascular congestion is present and the lateral pleural sinuses remain free .
    OUTPUT:
    
No evidence of new acute infiltrates .