DICER1 and neoplasm: Three new tumor types are now recognized: “intracranial mesenchymal tumor with FET-CREB fusion” (a provisional type, corresponding to tumors previously called either angiomatoid fibrous histiocytoma or intracranial myxoid mesenchymal tumor) (35, 36), “sarcoma with CIC rearrangement” (22), and “primary intracranial sarcoma with DICER1 mutation” (37).