the positive rates in 284 cases of gastric carcinoma ( including 8 early lesions ) , 306 healthy donors and 1018 cases of benign gastric diseases were 78.2 % ( 62.5 % for the early gastric cancers ) , 0.7 % and 15.7 % , respectively .
C0038351
gastric
C0349530
early gastric cancers