Table 1.

Distribution and Combinations of the Various Metastases from Breast Cancer Tumors Included in the Tissue Array Analysis

Metastatic involvement of organs
Brain	Bone	Liver	Lung	Total (no.)
In each organ (no.)
13	48	23	31
As a unique organ [no. (%)]
3 (23)	11 (23)	4 (17)	3 (10)	21
Multimetastatic combinations
×	×			4
×		×		0
×			×	1
×		×	×	2
×	×		×	1
×	×	×		0
	×	×		5
	×		×	5
	×	×	×	4
		×	×	2
×	×	×	×	2
Other multimetastatic combinations⁎
				24

Total number of patients with metastasis: 71.

^⁎One or more metastases in combination with other organs (lymph nodes, skin, pleura, esophagus, and vagina).