Microarray meta-analysis of REGγ expression in human cancers. (A) The flow chart of datasets selection. (B) REGγ expression profiles in Cancer (vs. non-cancer disease datasets. The black boxes refer to the percentage of datasets (14 out of 21 in cancer vs. 3 of 8 in non-cancer datasets) with significant change (p < 0.05) of REGγ expression. White boxes represent the percentage of datasets with insignificant changes (7 of 21 in cancer vs. 5 of 8 in non-cancer). (C) REGγ expression profiles in each cancer types.