Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable supine AP view of the chest was provided . Lung volumes are low which limits evaluation . Mild bibasilar atelectasis , left greater than right is noted . No overt signs of CHF or pneumonia . Heart and mediastinal contour appears stable . Atherosclerotic calcification of the aortic arch noted . Bony structures are intact . There is a calcified granuloma in the right mid lung projecting over the right posterior sixth rib arch .
    OUTPUT:
    
Limited study with no overt signs of pneumonia or CHF .