Adult|Aged|Aged, 80 and over|Algorithms|Bayes Theorem|Breast Neoplasms|Computer Simulation|Databases, Genetic|Female|Gene Expression Regulation|Genome, Human|Humans|Likelihood Functions|Markov Chains|Middle Aged|Models, Genetic|Models, Statistical|Neoplasm Metastasis|Neoplasm Recurrence, Local|Oligonucleotide Array Sequence Analysis|Phenotype|Sensitivity and Specificity|Survival Analysis|Transcription, Genetic