Table 3.

Medline and embase search strategy.

1	Breast cancer .mp	12	?estrogen receptor .mp
2	Breast neoplasm/	13	5 or 6 or 7 or 8 or 9 or 10 or 11 or 12
3	Breast tumo?r* .mp	14	Radiogenomic* .mp
4	1 or 2 or 3	15	Radiomic* .mp
5	Ki67 antigen/ or Ki67.mp	16	Texture analysis .mp
6	Ki 67 .mp	17	14 or 15 or 16
7	HER2 .mp	18	MRI .mp
8	Human epidermal growth factor 2 .mp	19	Magnetic resonance imaging .mp
9	Immunohistochemistry/	20	18 or 19
10	Biomarkers, tumour/ or tumo?r* biomarker* .mp	21	4 and 13 and 17 and 20
11	ER .mp