CBX3 and undifferentiated pleomorphic sarcoma: With regard to the Detwiller sarcoma database, the fold-changes of HP1-γ (CBX3) expression in fibrosarcoma, malignant fibrous histiocytoma, pleomorphic liposarcoma, and round cell liposarcoma were 3.515, 3.249, 2.242, and 2.645, respectively.