MYCN and neoplasm: Further analysis of patients with available molecular subgroup showed 33 (73.3%) males and 12 (26.7%) females, one patient with residual tumor ≥ 1.5cm2, 39 (86.7%) classic (CMB), 4 large-cell/anaplastic (LCAMB) and 2 desmoplastic (DMB) histology, 2 MYC and 4 MYCN amplified cases.