Some biomarkers such as calreticulin, malate dehydrogenase, superoxide dismutase, fibrinogen-g, vimentin, and lamin B2 have been shown to increase in both PCOS and ovarian cancer women, and these markers have been reported to help improve our understanding of the linkages between PCOS and ovarian cancer [3]. Here, CALR is linked to polycystic ovary syndrome.