Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Analysis is performed in direct comparison with the next preceding chest examination of ___ . The heart size is normal . No configurational abnormality is present . Thoracic aorta unremarkable . No pulmonary vascular congestion is seen . No evidence of acute or chronic pulmonary parenchymal infiltrates are present , and the lateral and posterior pleural sinuses are free . Skeletal structures of the thorax grossly unremarkable .
    OUTPUT:
    
Normal chest findings , no evidence of acute pneumonic infiltrate in patient with cough and sputum production .