MEN1 and gastrin-producing neuroendocrine tumor: Recently, the acceptable prognosis of NF‐pNETs <2 cm has been highlighted.19, 24, 25 The decreased survival of patients with MEN1 having liver metastases is in line with other studies.11, 13 Nevertheless, the exact cause of death in patients with MEN1 gastrinoma having concurrent large (NF)‐pNETs remains challenging.