It is good that there are no cancer cells inside the pleural fluid of patients with ovarian cancer, which means that ovarian cancer has not spread or metastasized to the chest cavity. If there are cancer cells in the pleural fluid of ovarian cancer patients, it usually means that ovarian cancer has spread or metastasized to the chest cavity. In early stage of ovarian cancer, there are no obvious symptoms and signs, with the development of the disease, patients may have pelvic swelling, nausea, abdominal distension, abdominal pain, ascites, sex hormone disorder, menstrual disorders, swelling and pain in the affected area, and metastasis of cancer cells, etc. In advanced stage of the disease, patients may have the symptoms and signs of ovarian cancer. When the disease develops to the advanced stage, brain metastasis, bone metastasis, lung metastasis, spreading to neighboring organs and so on may occur. In order to understand the condition of ovarian cancer, patients need to actively consult the doctor, do not use medicine by themselves, rest more during the recovery period, and do not eat greasy and spicy food as well as barbecue food.