LGR5 and ovarian carcinoma: The proportion of epithelial and/or stromal positivity (cutoff value: 40 of H-score) varied between subtypes (Fig. 8F), and we suggest three categories of ovarian carcinomas based on LGR5 expression; stromal-predominant type (LGSC), epithelial-stromal type (HGSC, CCC, EC), and low type (MC).