Adipocytic tumors -Atypical spindle cell/pleomorphic
lipomatous tumor
-Myxoid pleomorphic liposarcoma
Fibroblastic/myofibr-
oblastic tumors
-Angiofibroma of soft tissue
-EWSR1-SMAD3-positive fibroblastic
tumor (emerging)
-Superficial CD34-positive fibroblastic
tumor
Vascular tumor
-EHE with YAP1-TFE3
Smooth muscle tumors -Inflammatory leiomyosarcoma
Tumors of uncertain
differentiation
-NTRK-rearranged spindle cell neoplasm
(emerging)
Undifferentiated small
round cell sarcomas of
bone and soft tissue
-CIC-rearranged sarcoma
Sarcomas with BCOR genetic alterations
-Round cell sarcomas with EWSR1-non-
ETS fusions