COL1A1 and metastatic malignant neoplasm in the lymph nodes: The results indicated a significant overexpression of COL1A1 in OC samples (Figure 3H), with the lymph node metastasis-positive (LNM+) group exhibiting notably higher levels of COL1A1 expression compared to the lymph node metastasis-negative (LNM-) group (Figure 3I).