Algorithms|Artifacts|Cell Line, Tumor|Computer Simulation|Gene Expression Profiling|Gene Expression Regulation, Neoplastic|Humans|Image Interpretation, Computer-Assisted|Likelihood Functions|Microscopy, Fluorescence|Models, Genetic|Models, Statistical|Oligonucleotide Array Sequence Analysis|Signal Processing, Computer-Assisted|Skin Neoplasms|Spectrometry, Fluorescence