Association of ESR1 Mutations and Visceral Metastasis in Patients with Estrogen Receptor-Positive Advanced Breast Cancer from Brazil

Table 1

Association of ESR1m with the site of metastasis (n (%)).

	Visceral Metastasis	Nonvisceral metastasis	Total
ESR1 mutation	8 (25.0%)	3 (6.7%)	11 (14.3%)
ESR1 without mutation	24 (75.0%)	42 (93.3%)	66 (85.7%)
Total	32 (41.6%)	45 (58.4%)	77 (100.0%)