text: A malignant tumor of reticular tissue in the bone that is composed primarily of neoplastic histocytes.
option_0: Reticulum cell sarcoma
option_1: Epithelioid sarcoma
option_2: Granulocytic sarcoma
option_3: Elastofibroma
option_4: Gastrointestinal stromal tumor
option_5: Giant cell fibroblastoma
option_6: Mycetoma
option_7: Pyogenic granuloma