Polymorphism in the interleukin-17A promoter contributes to gastric cancer

Figure 2 Tumor, node, metastasis staging, and cellular differentiation in the gastric cancer population. A: Breakdown of tumor staging among a subset of the gastric cancer population. Staging was categorized as described in the Materials and Methods section. For simplicity, individuals that were categorized as Stage IA or IB were grouped into Stage I. Similarly, patients with Stage IIIA or IIIB tumors were grouped into Stage III; B: The degree of cellular differentiation seen in patient tumors was graded as well, moderate, or poor as described in the Materials and Methods.