To evaluate the performance of anti-PDLIM1 AAb in different subgroups of OC, we divided OC patients into different groups by clinical stage, age, family tumor history, lymph node metastasis, distant metastasis, and histological types, and no significant differences were found across these subgroups (Figure 4). This evidence concerns the gene PDLIM1 and metastatic malignant neoplasm in the lymph nodes.