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Table 1 Description of the characteristics in the population study

From: Clinicopathological, therapeutic and prognostic features of the triple-negative tumors in moroccan breast cancer patients (experience of Hassan II university hospital in Fez)

Characteristics %
Median age 45 years
Median histological tumor diameter 4.3 cm
Triple-negative breast cancer 17.5%
Basal-like 12.6%
Unclassified subtype 4.9%
Histological type
Invasive ductal carcinomas 78%
Metaplasic carcinoma 9.4%
Medullar carcinoma 6.3%
Other types 6.3%
Histological grade SBR
I 3.3%
II 47.5%
III 49.2%
Vascular invasion 26.6%
Positive lymph nodes 51%
Distant metastases 22.4%
AJCC staging
stage I 17.2%
stage IIA 20.7%
stage IIB 13.8%
stage IIIA 10.3%
stage IIIB 15.5%
metastatic 22.4%
Treatment modalities
Surgery 94%
Radical mastectomy 40%
Conservative surgery 60%
Chemotherapy
Neoadjuvant chemotherapy 18%
Adjuvant chemotherapy 82%.
Anthracycline based regimen 98%
Only taxanes 30%
Complete pathologic response 26%
Outcome
Overall survival at 3 years 49%
Disease-free survival at 3 years 39%