Table 1.

Patient characteristics

		n	%
Histology
	NST	131	57.7
	non NST	96	42.3
Grading
	G1. G2	103	66.0
	G3	53	34.0
pT
	pT1	153	68.0
	pT2-pT4	72	32.0
pN
	pN0	122	56.7
	pN1-pN3	93	43.3
CIS (fraction within the invasive carcinoma)
	no	107	47.1
	yes	120	52.9
ER
	negative	30	14.6
	positive	175	85.4
PR
	negative	62	32.6
	positive	128	67.4
Her2
	negative	160	88.9
	positive	20	11.1
age (years)
	mean ± STDV	58.2 ± 13.3