Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright chest radiograph was provided . There is a dual - lead pacer unchanged in position with pacer leads residing in the expected location of the right atrium and right ventricle . There is a PICC line seen along the right chest with its tip residing in the low SVC region . Lung volumes are low , though the lungs appear clear . The heart is top normal in size . The mediastinal contour is grossly stable with an aortic atherosclerotic calcification noted . The imaged osseous structures are intact .
    OUTPUT:
    
No acute findings in the chest .