Compared with the postoperative pathological diagnosis, the diagnostic accuracy of T, N staging by ESU are 80 95% and 85 71% respectively. The accuracy of predicting resectability by ESU was 71 43% (15/21).

• 术前EUS对皮革胃的T、N分期诊断的准确性分别为 80 95%25、85 71%25 ,EUS对皮革胃可切除性判断的准确率为 71 4 3%25。