International neuroblastoma pathology classification: Unfavorable histology group, patient of any age, with undifferentiated neuroblastoma (Schwannian stroma-poor) and any mitosis-karyorrhexis index
international neuroblastoma pathology classification: unfavorable histology group, patient of any age, with undifferentiated neuroblastoma (schwannian stroma-poor) and any mitosis-karyorrhexis index
International neuroblastoma pathology classification: Unfavorable histology group, patient of any age, with undifferentiated neuroblastoma (Schwannian stroma-poor) and any mitosis-karyorrhexis index (finding)
international neuroblastoma pathology classification: unfavorable histology group, patient of any age, with undifferentiated neuroblastoma (schwannian stroma-poor) and any mitosis-karyorrhexis index (finding)