Algorithms|Cell Line, Tumor|Computational Biology|Computer Simulation|DNA, Complementary|Data Interpretation, Statistical|Gene Expression Profiling|Gene Expression Regulation|Gene Expression Regulation, Neoplastic|Humans|Microdissection|Models, Genetic|Models, Statistical|Nucleic Acid Hybridization|Numerical Analysis, Computer-Assisted|Oligonucleotide Array Sequence Analysis|Pattern Recognition, Automated|Protein Interaction Mapping|Reproducibility of Results|Research Design|Sample Size|Sequence Analysis, DNA|Software|Time Factors