Acidosis, Lactic|Aneuploidy|Breast Neoplasms|Cell Hypoxia|Cell Line, Tumor|Cluster Analysis|Comparative Genomic Hybridization|Computational Biology|DNA Copy Number Variations|Databases, Genetic|Female|Gene Dosage|Gene Expression Profiling|Gene Expression Regulation, Neoplastic|Humans|Models, Statistical|Organ Specificity|RNA, Messenger|Signal Transduction