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Table 3 Numbers of familial breast cancers in sisters by morphology

From: Morphological types of breast cancer in family members and multiple primary tumours: is morphology genetically determined?

  Sister 2
Sister 1 Ductal Lobular Tubuloductal Other All
Ductal 39 8 4 7 58
Lobular 6 2 1 4 13
Tubuloductal 11 1 0 1 13
Other 10 3 1 2 16
All 66 14 6 14 100
  1. Kappa value for all types 0.002.