Table 1.

Main patient and tumor characteristics (at surgery)

Patients characteristicsN%
Age (years)
 <50542%
 ≥50758%
Menopausal status
Premenopausal542%
Postmenopausal758%
Body mass index (kg/m2)
<25433%
25–29.9758%
≥3018%
Tumor characteristicsN%
In situ (LCIS)18%
Invasive1192%
Molecular phenotype
Luminal A542%
Luminal B758%
TN stage
Tis18%
T1542%
T2650%
N0-Nx975%
N1217%
N318%
Vascular invasion
Yes217%
No1083%
Focality
Unifocal975%
Multifocal18%
Multicentric217%