preferred_name: Absence of MYCN Gene Amplification
preferred_name_lc: absence of mycn gene amplification
label: Neuroblastoma-Derived V-Myc Avian Myelocytomatosis Viral Related Oncogene Amplification Negative
label_lc: neuroblastoma-derived v-myc avian myelocytomatosis viral related oncogene amplification negative