In ovarian carcinomas, stromal CD20-, CD3-, CD4- and CD8-positive lymphocytes were detected in 57.7, 99.0, 96.4 and 91.7% of cases and intraepithelial CD20-, CD3-, CD4- and CD8-positive lymphocytes were detected in 33.0, 90.2, 74.4 and 81.4% of cases, respectively. Here, CD4 is linked to ovarian carcinoma.