Algorithms|Bayes Theorem|Breast Neoplasms|Gene Expression Profiling|Gene Expression Regulation, Neoplastic|Genes|Genes, BRCA1|Genes, BRCA2|Genetic Markers|Genetic Predisposition to Disease|Humans|Leukemia, Myeloid|Models, Genetic|Models, Statistical|Oligonucleotide Array Sequence Analysis|Precursor Cell Lymphoblastic Leukemia-Lymphoma|Sample Size