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