ZNF703 and breast carcinoma: ZNF703, once known as NocA-like zinc finger protein 1 (Nlz1), a member of the NET family of zinc finger transcription factors, locating on chromosome 8 (8p11.23), had been observed elevations in several types of malignancies including adenocarcinoma of endometrium, gastric cancer, colorectal cancer, breast cancer especially the luminal B subtype [9–13].