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Staging
Stage I
Growth limited to the ovaries
IA
Growth limited to one ovary; no ascites present containing malignant cells. No tumor on the external surface; capsule intact.
IB
Growth limited to both ovaries; no ascites present containing malignant cells. No tumor on the external surfaces; capsules intact
IC
Tumor classified as either Stage I A or I B but with tumor on the surface of one or both ovaries; or with ruptures capsule(s); or with ascites containing malignant cells or with positive peritoneal washings.
Stage II
Growth involving one or both ovaries, with pelvic extension.
IIA
Extension and/or metastases to the uterus and/or tubes.
IIB
Extension to other pelvic tissue.
IIC
Tumor classified as either Stage II A or II B but with tumor on the surface of one or both ovaries; or with capsule(s) ruptures; or with ascites containing malignant cells or with positive peritoneal washings
Stage III
Tumor involving 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 omentrum.
IIIA
Tumor grossly limited to the true pelvis with negative nodes but with histologically confirmed microscopic seeding of abdominal peritoneal surfaces
IIIB
Tumor of one or both ovaries with histologically confirmed implants of abdominal peritoneal surfaces, none exceeding 2 cm in diameter; nodes are negative.
IIIC
Abdominal implants greater than 2 cm in diameter and/or positive retroperitoneal or inguinal nodes.
Stage IV
Growth involving one or both ovaries with distant metastases. If pleural effusion is present, there must be positive cytological findings to allot a case to Stage IV. Parenchymal liver metastasis equals Stage IV.
Gynecologic Oncology Program
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