Figure 1. Transverse views of thin-section CT images in (a) 2007, (b) 2018, (c) 2019, and (d) 2020. The white arrows represent abnormal nodular shadows.
Figure 2. Pathological findings; (a) and (b) hematoxylin and eosin staining, (c) anti-p53 immunostaining, and (d) anti-Ki67 immunostaining. (a) Low magnification, and (b, c, d) high magnification. The scales are shown in the lower right; (a) 2 mm and (b, c, d) 200 μm.
