Objective To assess the role of the ferroptosis-associated gene GLS2 in the prognosis of pan-cancer and immunity using bioinformatics methods. Methods GLS2 expression levels in pan-cancer were profiled using publicly available databases: The Cancer Genome Atlas. GTEx. Cancer Cell Line Encyclopedia and the International Cancer Genome Consortium. https://www.hollandscountryclothinges.shop/product-category/flea/