Immunohistochemistry Assay for Differentiating Liposarcoma and Its Mimickers Fira Soraya & Willy Sandhika* Abstract Introduction: Soft tissue tumors account for 1 – 1.5% of all cancer, which is the tenth most common cancer in referral oncology hospitals in Indonesia. Liposarcomas are a group of histologically diverse lesions, accounting for 12.8%