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Fas (CD95-APO-1), a member of tumor necrosis factor receptor super-family, exists in two forms, transmembrane and soluble (sFas). It had been suggested that circulating sFas levels and/or tissue FasL may reflect the severity of invasive breast ductal carcinoma. Few studies showed that neither DNA-index nor ploidy is an independent prognostic indicator, and there is no correlation with clinical outcome...