The stage-specific sensitivity, specificity and accuracy for T staging of gastric cancers were Se 100%, Sp 96.5%, Acc 97.2% for T1, Se 25%, Sp 93.5%, Acc 85.6% for T2, Se 66.7%, Sp 68.9%, Acc 68.5% for T3, and Se 57.9%, Sp 93.8%, Acc 74.2% for T4.