Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . The heart size is normal . No configurational abnormality is identified . 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 evidence of pneumothorax in the apical area on frontal view . There exists no prior chest examination or records available for comparison .
    OUTPUT:
    
Chest findings within normal limits . Noted is a moderately sized pericardial fat pad in the right cardiophrenic angle on the frontal view but no acute infiltrates can be identified in the right middle lobe area .