The tumor cells were negative for progesterone receptor, epithelial membrane antigen (EMA), somatostatin receptor 2A (SSTR2A), pancytokeratin AE1/AE3, CK5/6, CK7, CK20, p63, placental alkaline phosphatase (PAGF), thyroid transcription factor-1 (TTF-1), and synaptophysin (Table 1). The gene discussed is MUC1; the disease is neoplasm.