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 similar study of ___ . The heart size remains normal . Thoracic aorta and mediastinal structures are unremarkable . The pulmonary vasculature is not congested . No signs of acute or chronic parenchymal infiltrates are present and the lateral and posterior pleural sinuses are free . No pneumothorax in the apical area . Skeletal structures of the thorax grossly unremarkable .
    OUTPUT:
    
No evidence of acute infiltrates , cardiac enlargement , or pulmonary congestion in this patient with history of cough and chills . The previous chest examination almost one year ago was also normal .