preferred_name: Ampulla of Vater Somatostatin-Producing Neuroendocrine Tumor
preferred_name_lc: ampulla of vater somatostatin-producing neuroendocrine tumor
label: Ampulla of Vater Somatostatin Producing Neuroendocrine Tumor
label_lc: ampulla of vater somatostatin producing neuroendocrine tumor