128353.fig.002a
(a)
128353.fig.002b
(b)
128353.fig.002c
(c)
128353.fig.002d
(d)
128353.fig.002e
(e)
Figure 2: Chest radiographs grading of aortic arch calcification. Five frontal radiographs illustrate the grading scheme of aortic calcification. Arrows show calcifications along the aortic arch. (a) Grade 0: no calcifications visible; (b) grade 1: calcification length between 0-1 cm; (c) grade 2: length between >1-2 cm; (d) grade 3: length between >2-3 cm; and (e) grade 4: length greater than 3 cm in length.