Figure 1.
Mixed histological type of gastric cancer in WHO classification. (A) high differentiated tubular adenocarcinoma mixed with mucinous adenocarcinoma, final score: (1 + 3)/2 = 2, (B) medium differentiated tubular adenocarcinoma mixed with mucinous adenocarcinoma, final score: (2 + 3)/2 = 2.5 (C) high differentiated tubular adenocarcinoma mixed with signet ring cell carcinoma and mucinous adenocarcinoma, final score: (1 + 3 + 4)/3 = 2.7, (D) high differentiated mixed with undifferentiated gastric cancer, final score: (1 + 5)/2 = 3.