the patients had a previous history or current diagnosis of gastric or esophageal carcinoma ( 26 patients ) , gastric lymphoma ( 15 patients ) , gastric stromal tumor ( three patients ) , carcinoid tumor ( two patients ) , nongastroesophageal malignancy ( 29 patients ) , or atrophic gastritis with nonhealing ulcer ( three patients ) .
C0038351
gastric
C0017154
atrophic