Algorithms|Amino Acid Sequence|Biomarkers, Tumor|Cluster Analysis|Databases, Genetic|Gene Expression Profiling|Gene Expression Regulation, Neoplastic|Humans|Molecular Sequence Data|Neoplasms|Oligonucleotide Array Sequence Analysis|Pattern Recognition, Automated|Reproducibility of Results|Sensitivity and Specificity|Sequence Alignment|Sequence Analysis, DNA