The International Federation of Gynecology and Obstetrics (FIGO) endometrial cancer stage according to 2009 definitions. Stage I: tumour confined to the corpus uteri. CODE 1 Stage IA No invasion or less than half myometrial invasion. CODE 2 Stage IB Invasion equal to or greater than half of the myometrium. Stage II CODE 3 Stage II Tumour invades cervical stroma, but does not extend beyond the uterus. Note: In situ involvement of the endocervix that does not invade the stroma is not a Stage II lesion. Stage III: local and/or regional spread of the tumour. CODE 4 Stage IIIA Tumour invades the serosa of the corpus uteri and/or the adnexa. CODE 5 Stage IIIB Involvement of the vagina, parametrium and/or the pelvic peritoneum. Stage IIIC: retroperitoneal node involvement CODE 6 Stage IIIC1 Pelvic node involvement. CODE 7 Stage IIIC2 Paraaortic involvement. Stage IV: tumour invades bladder and/or bowel mucosa, and/or distant metastases. CODE 8 Stage IVA Tumour invasion of bladder and/or bowel mucosa. CODE 9 Stage IVB Distant metastases, including intra-abdominal metastases and/or inguinal lymph nodes. |