Bayes Theorem|Biomarkers, Tumor|Breast Neoplasms|Computer Simulation|Decision Support Systems, Clinical|Diagnosis, Computer-Assisted|Gene Expression Profiling|Humans|Logistic Models|Models, Biological|Neoplasm Proteins|Oligonucleotide Array Sequence Analysis|Prognosis|Reproducibility of Results|Sensitivity and Specificity|Signal Transduction