preferred_name: Stage III Duodenal and Ampulla of Vater Neuroendocrine Tumor AJCC v9
preferred_name_lc: stage iii duodenal and ampulla of vater neuroendocrine tumor ajcc v9
label: Stage III Duodenum and Ampulla of Vater Neuroendocrine Tumor AJCC v9
label_lc: stage iii duodenum and ampulla of vater neuroendocrine tumor ajcc v9