Figure 2

Images in a 52-year-old woman with triple-negative breast cancer (TNBC). (a) Grey-scale US images presenting with an irregular shape mass suspicious for cancer. (b-e) Pathological images revealed invasive ductal cancer (b: HE*400, c: absence of estrogen receptor, d: absence of progesterone receptor, e: absence of human epidermal growth factor receptor 2, G: Ki-67 70%).