PURPOSE: To assess the value of the initial fasting serum gastrin (FSG) at presentation in patients with Zollinger-Ellison Syndrome (ZES) in predicting primary tumor characteristics and survival.

Gastrin has been playing with MoDo Hockey since the 2022-2023 season when he joined their U16 team. This season, he has played at the J18, J20, and SHL levels, as well as representing Sweden U18 on ...