disease of anatomical entity
   |__gastrointestinal system disease
       |__stomach disease  22 rec.
           |__autoimmune gastritis
           |__cascade stomach
           |__Cronkhite-Canada syndrome
           |__Dieulafoy lesion
           |__functional gastric disease
           |   |__gastroparesis
           |   |__postgastrectomy syndrome(+)
           |__gastric dilatation
           |__gastric hemangioma
           |__gastric outlet obstruction
           |   |__pyloric stenosis(+)
           |__gastritis
           |   |__alcoholic gastritis
           |   |__atrophic gastritis
           |   |__bacterial gastritis
           |   |__eosinophilic gastritis
           |   |__fungal gastritis
           |   |__gastric mucosal hypertrophy
           |   |__granulomatous gastritis
           |   |__lymphocytic gastritis
           |   |__necrotizing gastritis
           |   |__viral gastritis(+)
           |__hiatus hernia
           |   |__displacement of cardia through esophageal hiatus
           |__pylorospasm
           |__stomach cancer 22 rec.
           |   |__cardia cancer(+)
           |   |__diffuse gastric cancer(+) 4 rec.
           |   |__gastric fundus cancer(+)
           |   |__gastric gastrinoma
           |   |__gastric leiomyosarcoma
           |   |__gastric liposarcoma
           |   |__gastric lymphoma
           |   |__gastric teratoma(+)
           |   |__malignant gastric germ cell tumor(+)
           |   |__malignant gastric granular cell tumor
           |   |__pylorus cancer(+)
           |   |__stomach carcinoma(+) 9 rec.
           |__stomach carcinoma in situ
           |__stomach diverticulosis