Diagnostic ability of multi-detector spiral computed tomography for pathological lymph node metastasis of advanced gastric cancer

Figure 4 A schema for precise one-to-one correspondence of lymph nodes. A: CT examination before surgery. B: Lymph node mapping. All dissected nodes were mapped and measured when the size was > 7 mm. C: Pathological examination. D: One-to-one correspondence between CT images and pathological results by using the size data of the map.