TFE3 and renal cell carcinoma: Translocation of TFE3 and expression of TFE3 proteins can be identified in different types of tumors, such as Xp11.2 translocation renal cell carcinoma (RCC), epithelioid haemangioendothelioma, alveolar soft part sarcoma, perivascular epithelioid cell tumor, ossifying fibromyxoid tumor, and malignant chondroid syringoma (2).