<prompt> 70yrs old patient diagnosed with ovarian cancer. Surgical staging involving inguinal lymph nodesStage IIIAStage IIIBStage IVAStage IV B  <response>: Stage IV: distant metastasis excluding peritoneal metastasis. IVA: pleural effusion with positive cytology. IVB: hepatic and or splenic parenchyma metastasis, metastasis to extra abdominal organs including inguinal lymph nodes and lymph nodes outside of the abdominal cavity Reference: textbook of gynaecology Sheila balakrishnan, 2nd edition, pg no:277 p 