Table 1. Clinicopathological features of normal and cancer breast tissues used for β-AR IHC.

Characteristics	Overall	Normal	Cancer
# patient samples	25	5	20
Age [mean years (s.d.)]	48 ± 9	42 ± 7	50 ± 9
Sex	25F	5F	25F
Tumor Stage
II	18	N/A	18
III	2	N/A	2