Three BRCA1 abnormalities - 5382insC , C61G , and 4153delA - accounted for 51 % , 20 % , and 11 % of the identified mutations , respectively ..
O B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature O B-SequenceVariant O B-SequenceVariant O O B-SequenceVariant O O O O O O O O O O O O O O O O O O O