preferred_name: ERBB2 Gene Mutation Negative
preferred_name_lc: erbb2 gene mutation negative
label: v-Erb-B2 Avian Erythroblastic Leukemia Viral Oncogene Homolog 2 Gene Mutation Negative
label_lc: v-erb-b2 avian erythroblastic leukemia viral oncogene homolog 2 gene mutation negative