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Correlation between LKB1 gene expression and copy number measurement. Panel A: LKB1 wild type group had significantly higher gene expression. Panel B: LKB1 GE and CN were positively correlated. Panel C: Wild type group had significantly higher CN. CN for each marker was calculated as log2 intensity ratio between tumor samples and normal samples using CRMA_v2 [17]. GE microarray was preprocessed by Loess normalization and GE values are unit-less values.
