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Table 3 Immunohistochemical analyses and histological grade

From: Invasive lobular carcinoma of the breast: long-term prognostic value of Ki67 and histological grade, alone and in combination with estrogen receptor

Variables No (%)
ER  
  Positive 169 (88)
  Negative 23 (12)
PgR  
  Positive 97 (51)
  Negative 95 (50)
ER/PgR  
  ER and/or PgR positive 177 (92)
  ER and PgR negative 15 (8)
HER2  
  0 153 (80)
  1+ 28 (15)
  2+ 7 (4)
  3+ 4 (2)
Ki67  
  Low (0-10%) 115 (60)
  Intermediate (11-30%) 62 (32)
  High (>30%) 15 (8)
Histological grade  
  1 28 (16)
  2 133 (76)
  3 14 (8)
  Unknown 17
Tubule formation  
  1 0 (0)
  2 13 (7)
  3 162 (93)
Pleomorphism  
  1 20 (11)
  2 112 (64)
  3 43 (25)
Mitotic score  
  1 155 (89)
  2 10 (6)
  3 10 (6)