Algorithms|Bayes Theorem|Biomarkers, Tumor|Colorectal Neoplasms|Computer Simulation|Gene Expression Profiling|Genetic Predisposition to Disease|Genetic Testing|Humans|Models, Genetic|Models, Statistical|Neoplasm Proteins|Oligonucleotide Array Sequence Analysis|Prognosis|Reproducibility of Results|Sample Size|Sensitivity and Specificity