GPX2 and neoplasm: Although the number of studies analyzing GPX2 in cancer is still limited, data suggesting a role of altered GPX2 expression in various cancer types are accumulatin.<h4>Methods</h4>To better comprehend the role of GPX2 expression in cancer, GPX2 was analyzed by immunohistochemistry on tissue microarrays containing 18,555 samples from 148 different tumor types.<h4>Results</h4>A total of 95 of 148 tumor categories showed GPX2 expression in at least one case, and 61 tumor categories contained at least one strongly positive case.