preferred_name: NF1 Mutation Positive Malignant Peripheral Nerve Sheath Tumor
preferred_name_lc: nf1 mutation positive malignant peripheral nerve sheath tumor
label: Malignant Peripheral Nerve Sheath Tumor with Neurofibromin 1 Mutation
label_lc: malignant peripheral nerve sheath tumor with neurofibromin 1 mutation