SS18 and epithelioid sarcoma: These include MEF2C::SS18 in microsecretory adenocarcinoma of the skin and salivary gland [23], SS18::NEDD4 in cutaneous spindled and epithelioid sarcoma [24], SS18::POU5F1 in a primary renal undifferentiated round cell sarcoma [25] and at least 6 cases of CRTC1::SS18 in undifferentiated round cell sarcomas [26].