FIGO Stage IIIA1i

**Semantic type:** Classification

**Definition:** A FIGO stage term that applies to ovarian cancer, fallopian tube cancer, and primary peritoneal cancer. It refers to cancer with positive retroperitoneal lymph nodes only. Metastasis equal or less than 10 mm.

**Synonyms:** - FIGO Stage IIIA1(i) - Stage IIIA1(i)