Ca-Se (Fami-Ly) Twins Breast Cancer in Sister Age 10 Slavic Mutations ofGenes BRCA1/2 Mutations Of Genes BRCA1/2Diagnosed in Another Country Breast Cancer in Another Relatives Age Mother/ Father Line Other Oncology Pathology Mother’s Line Father’s Line
1.K DZ younger 45 negative - mother 42 mother visceral cancer Grand mother -
2.F DZ younger 42 negative - mother, aunt 39 43 mother’s line pharyngeal cancer uncle -
3.V MZ both 40/41 negative in younger sister BRCA2 c.6405_6409delCTTAA (p.Asn2135fs) in elder sister cousin, grandmother 30 60 father’s line mother’s line gastric, pancreas - grandmother grandfather
4.L DZ both 37/43 negative in both sisters - - - cancer uterus visceral cancer mother grandfather -
5.S DZ both 47/48 negative in younger sister BRCA1 5382InsC in elder sister grandmother 55 mother’s line - - -
Table 2: Results of mutations of genes BRCA1/2 and oncology pathology in pedigree among relatives in twins with breast cancer.