Definition

IA IB IC

Growth is limited to the ovaries

Growth is limited to one ovary; no ascites present containing malignant cells; no tumor on the external surface; capsule is intact

Growth is limited to both ovaries; no ascites present containing malignant cells; no tumor on the external surfaces; capsules are intact

Tumor is classified as either stage IA or IB but with tumor on the surface of one or both ovaries; or with ruptured capsule(s); or with ascites containing malignant cells present or with positive peritoneal washings

IIA lIB IIC

Growth involves one or both ovaries with pelvic extension

Extension and/or metastases to the uterus and/or tubes

Extension to other pelvic tissues

Tumor is either stage IIA or lIB but with tumor on the surface of one or both ovaries; or with capsule(s) ruptured; or with ascites containing malignant cells present or with positive peritoneal washings

IlIA IIIB IIIC

Tumor involves one or both ovaries with peritoneal implants outside the pelvis and/or positive retroperitoneal or inguinal nodes; superficial liver metastasis equals stage III; tumor is limited to the true pelvis but with histologically proven malignant extension to small bowel or omentum

Tumor is grossly limited to the true pelvis with negative nodes but with histologically confirmed microscopic seeding of abdominal peritoneal surfaces

Tumor involves one or both ovaries with histologically confirmed implants of abdominal peritoneal surfaces, none exceeding 2 cm in diameter; nodes are negative

Abdominal implants greater than 2 cm in diameter and/or positive retroperitoneal or inguinal nodes

Sta ge

Definition

IV

Growth involves one or both ovaries with distant metastases; if pleural effusion is present, there must be positive cytology findings to assign a case to stage IV; parenchymal liver metastasis equals stage IV

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