ESR1 and neoplasm: In the present study, the following variables were evaluated for the association with detection of ARM and lymphatic: BMI, location of the tumor, number of histologically positive axillary node, pathological T and N stage of the tumor, Estrogen Receptor (ER), Progesterone Receptor (PR), HER2/neu and neoadjuvant chemotherapy (NACT) use (Table 3, 4).