Table 3 Site distribution of disease relapse, including locoregional recurrence and distant metastases.

Site of relapse	Initial event*		Total events
	Basal‐ like	Control	Basal‐ like	Control
Local recurrence†	8	2	8	2
Soft tissue and skin	0	0	4	0
Lymph nodes (non‐regional)	6	1	9	1
Bone	4	1	6	1
Liver	3	1	5	1
Lung and pleura	6	3	11	3
Brain	3	0	5	0
Total number of events	30	8	48	8

*All concurrent metastatic events were considered to be independent events.

†Local recurrence was defined as recurrence in the ipsilateral breast, skin and regional nodes.