Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Available for comparison is the next preceding portable chest examination of ___ . The heart size remains within normal limits . No configurational abnormality is identified . Thoracic aorta of ordinary ___ . The descending aorta follows in a slight curvature the moderate degree of right - sided scoliosis observed in the thoracic spine . There are some degenerative changes in the form of osteophytic reactions at the vertebral body edges , but no vertebral body compression fracture is identified . Pulmonary vasculature is not congested and there are no signs of new acute parenchymal infiltrates . Lateral and posterior pleural sinuses are free . No pneumothorax exists in the apical area . In comparison with the next preceding study , the , at that time existing , left - sided Port - A - Cath system has been removed .
    OUTPUT:
    
No evidence of acute pulmonary parenchymal infiltrates .