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 AP frontal and left lateral view chest examination of ___ . The heart size is normal and no configurational abnormality is identified . Unremarkable appearance of thoracic aorta . No mediastinal abnormalities are present . The pulmonary vasculature is not congested . No signs of acute or chronic parenchymal infiltrates are seen and the lateral and posterior pleural sinuses are free . No pneumothorax in apical area on frontal view . Skeletal structures of the thorax grossly unremarkable . When comparison is made with the next previous study of ___ . The heart size was considered to be mildly enlarged . This , however , must have been related to the fact that the patient was examined with a frontal AP chest view , which causes geometric magnification of the heart silhouette .
    OUTPUT:
    
Normal chest findings with normal heart size , absence of congestion , no pleural effusion and no acute infiltrates .