Triple Negative Breast Cancer Diagnostics Market size was valued at USD 11,401.2 million in 2021. It is expected to reach USD 21.422.3 million by 2028, registering a CAGR of 10.09% over the forecast period 2022-2028. Breast cancer is characterized by the abnormal multiplication of the breast cells that will form lumps that may be nonmalignant or malignant in nature. Breast cancer is a heterogeneous disease disease that can be sub divided into clinical, histo pathological and molecular subtypes. TNBC accounts almost 15% of all breast cancer cases and is characterized by tumors that do not express estrogen receptor (ER), progesterone receptor (PR) or over express human epidermal growth factor receptor 2 (HER2). TNBC is associated with a poor prognosis and a high risk of distant recurrence and death with in first 3-5 years of follow up. TNBC diagnostics market is growing at significant rates owing to the rise in prevalence of the breast cancer According to GLOBOCAN 2012 data, breast cancer is the second most common cancer worldwide, accounting 11.9% cancer cases globally. An estimated, 1.7 million new cases were diagnosed in 2012. Companies operating in the global TNBC diagnostics market are focusing on the development of the new technologies to increase their market share. Furthermore, companies also adopting the acquisitions and mergers to strengthen their product portfolio and market position.