Ampulla of Vater Enterochromaffin Cell Serotonin-Producing Neuroendocrine Tumor
ampulla of vater enterochromaffin cell serotonin-producing neuroendocrine tumor
Enterochromaffin Cell Serotonin-Producing Neuroendocrine Tumor of the Ampullary Region
enterochromaffin cell serotonin-producing neuroendocrine tumor of the ampullary region