For example, KLK15 expression is an independent marker of prognosis in ovarian cancer [2], KLK9 has been shown to be a marker for prognosis in breast and ovarian cancer [1, 5, 6, 21], and increased KLK11 expression in gastric carcinoma is associated with poor prognosis [24]. This evidence concerns the gene KLK9 and ovarian carcinoma.