Error parsing node of kind 'ERROR': {Node ERROR (0, 310) - (0, 312)} disease_tree?object=eq."A brain sarcoma that is composed of malignant pleomorphic or spindle neoplastic cells typically demonstrating myogenic and/or chondroid differentiation. Cytoplasmic eosinophilic globules and myxoid stroma formation are usually present. It is associated with mutations in the DICER1 gene." Err("Unexpected Node kind: ERROR")