Comparison of the number of screen-detcted cancer and interval cancer in the endoscopic screening group and the radiographic screening group.

U, Upper body; M, Middle body; L, Lower body
1) The location, histological type, and stage of all gastric cancers were studied. Tumor location was recorded using the Japanese Classification of Gastric Carcinoma, in which the stomach is anatomically divided into 3 portions, namely, upper, middle, and lower. [12]
2) Clinical stage was also used for determination of the clinical stage based on the Japanese Classification of Gastric Carcinoma [12].
3) Gastric cancers were also classified histologically into intestinal and diffuse types according to Lauren’s criteria [13].
Comparison of the number of screen-detcted cancer and interval cancer in the endoscopic screening group and the radiographic screening group.