BACKGROUND The undifferentiated-type(UDT)component profoundly affects the clinical course of early gastric cancers(EGCs).However,an accurate preoperative diagno
Calcifying fibrous tumor(CFT)is a rare mesenchymal lesion that has been documented throughout the gastrointestinal tract.Gastrointestinal CFTs may occur at virt
We have previously reported that Helicobacter pylori(H.pylori)-associated nodular gastritis could occur in both the antrum and the cardia.Cardiac nodularity-lik
It is unclear whether immune escape-associated mutations in the major hydrophilic region of hepatitis B virus surface antigen(HBsAg)are associated with nucleosi