Table 1 Histopathological and clinical features of TNBC.

CharacteristicN%
Type of graft
  Primary BC2255%
  Primary nodes of BC25%
  Residual tumors after neoadjuvant1640%
Mean age at diagnosis56 (29–89)
TNM
  T1820%
  T21948%
  T3923%
  T425%
  N02358%
  N11538%
  N213%
  M03998%
  M113%
Breast surgery
  Tumorectomy1640%
  Mastectomy2460%
Lymph node surgery
  Sentinel node biopsy615%
  Lymphadenectomy3383%
Histology
  Invasive carcinoma of no special type3793%
  Metaplastic BC38%
  Lymphovascular invasion (LVI)+1435%
  LVI2665%
Rank SBR
  Grade SBR 100%
  Grade SBR 213%
  Grade SBR 33998%
Recurrence
  No relapse1537.5%
  Local relapse820%
  Distant relapse1742.5%