Error parsing node of kind 'ERROR': {Node ERROR (0, 281) - (0, 303)} disease_tree?object=eq."An IDH-mutant anaplastic astrocytoma that is characterized by the presence of necrosis and/or microvascular proliferation or homozygous deletion of CDKN2A and/or CDKN2B genes. The term glioblastoma no longer applies to central nervous system WHO grade 4 IDH-mutant astrocytomas." Err("Unexpected Node kind: ERROR")