tissue sections taken from areas of carcinoma , areas of intestinal metaplasia in stomachs bearing carcinoma are areas of intestinal metaplasia in stomachs showing atrophic gastritis only were examined for eight markers : a tumour-derived colon-specific antigen ( tcsa ) , carcinoembryonic antigen ( cea ) , alpha-fetoprotein ( afp ) , pregnancy-specific beta-glycoprotein 1 ( sp1 ) , human placental lactogen ( hpl ) , human beta chorionic gonadotrophin ( beta-hcg ) , transferrin ( tf ) and ferritin ( fe ) .
C0038351
stomachs
C0017154
atrophic gastritis