Stage 4 of ovarian cancer is known as the most advanced stage in which cancer has metastasized and spread outside to the distant organs like the lungs, liver, and spleen. This stage also has two subcategories that are listed below:
At this stage, cancer cells are in the fluid around the lungs (a malignant pleural emission).
This is the last stage where cancer has spread to the liver or spleen. It is also seen to have to the lymph nodes other than the retroperitoneal lymph nodes. At this stage, it has also spread to other organs and distant areas outside the peritoneal cavity (the lungs or bones).
See more on stages of ovarian cancer.