Primary malignant ovarian tumor staging

One-stage I ovarian tumors confined to a limited side of ovarian cancer, no ascites tumor without the surface, coating integrity. Ib limited to the bilateral ovarian tumors, no ascites tumor without the surface, coating integrity. Ⅰ c 14/18 or Ib tumors, but the side or surface of bilateral ovarian tumor; Or capsule rupture; or there with malignant ascites cells; Lotion or peritoneal positive. Phase II or the side of bilateral ovarian tumors, with the proliferation of pelvic Ⅱ a spread and / or transferred to the uterus and / or fallopian tube. Ⅱ b spread to other pelvic organizations. C II II II a or b stage tumors, but the side or surface of bilateral ovarian tumor; Or capsule rupture; or there with malignant ascites cells; Lotion or peritoneal positive. Phase III unilateral or bilateral ovarian tumors, pelvic peritoneum is in the cultivation and / or retroperitoneal or inguinal lymphocytic Guitar positive. Liver metastases to Ⅲ period. Ⅲ a tumor limited to the naked eye can see pelvic lymph node negative, but histologically proven abdominal peritoneal surface under cultivation microscope. Ⅲ b unilateral or bilateral ovarian tumors, organized study confirmed the peritoneal surface cultivation, a diameter no more than 2 cm. node-negative. Ⅲ c peritoneal seeding diameter "2cm and / or retroperitoneal and inguinal lymph nodes. Ⅳ unilateral or bilateral ovarian tumor metastasis. For cancer of the pleural effusion Ⅳ, liver metastasis, respectively.