Gastrointestinal stromal tumors(GISTs)are the most common malignant subepithelial lesions(SELs)of the gastrointestinal tract.They originate from the interstitia
AIM To investigate the relationship between hypoxia-inducible factor-1α(HIF-1α),prolyl 4-hydroxylase beta(P4HB)expression,and clinicopathologic parameters,as