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Table 4 The pathological grade of 1,867 invasive breast cancers

From: Correlation between Duffy blood group phenotype and breast cancer incidence

DBGPs

Grade I

Grade II

Grade III

Total

FYa + FYb + †

17 (9.0%)

135 (71.8%)

36 (19.1%)

188 (100%)

FYa + FYb-‡

105 (7.0%)

1077 (72.2%)

310 (20.8%)

1492 (100%)

FYa-FYb + § 5

(8.2%)

38 (62.3%)

18 (29.5%)

61 (100%)

FYa-FYb-

1 (7.7%)

9 (69.2%)

3 (23.1%)

13 (100%)

Total

128 (7.3%)

1259 (71.8%)

367 (20.9%)

1754 (100%)

  1. † 18 cases of FYa + FYb + phenotypes had no pathological grades as follows: one case of supplementary radical surgery; three cases mucinous carcinoma; 14 cases of invasive lobular breast cancer.
  2. ‡ 94 cases of FYa + FYb- phenotypes had not pathological grading as follows: 10 cases of supplementary radical operation; 45 cases of invasive lobular breast cancer; 37 cases of mucinous carcinoma; two cases of occult breast cancer.
  3. § One case of mucinous carcinoma.