Gastroesophageal reflux disease (GERD) is the most common upper gastrointestinal disorder seen in the elderly. The worldwide incidence of GERD is increasing as
Gastric submucosal tumors(SMTs) are a rather frequent finding,occurring in about 0.36%of routine upper GIendoscopies.Endoscopic ultrasonography(EUS) has emerged
It is of utmost importance to differentiate autoimmune pancreatitis(AIP) from pancreatic cancer(PC).Segmental AIP cases are sometimes difficult to differentiate