STAT6 and soft tissue neoplasm: STAT6 IHC marker can also be expressed in some other soft tissue neoplasms such as well differentiated liposarcoma (WDL) or dedifferentiated liposarcoma (DDL), desmoid fibromatosis, unclassifiable sarcoma, neurofibroma, myxoid liposarcoma, undifferentiated pleomorphic sarcoma, low grade fibromyxoid sarcoma, synovial sarcoma (SS) and ovarian fibroma [17, 61, 62].