Table 1.

Clinical and pathological characteristics of patients candidate for molecular profiling.

	No. of patients 521	%
Diameter
<15 mm	343	65.8
≥15 mm	178	34.2
pT
1	468	89.8
2	53	10.2
Grade
1	231	44.3
2	244	46.8
3	46	8.8
Ki67
<20%	404	77.5
≥20%	117	22.5
PR
Negative	33	6.3
Positive	488	93.7
Subtype
Luminal A	319	61.2
Luminal B	202	38.8
Chemotherapy
No	468	89.8
Yes	53	10.2
Recurrences
No	491	94.2
Yes	30	5.8

PR progesterone receptor