Table 3. Risk factor-based incidence of PAN metastasis.

Parametria	Deep invasion	Ovary	Single PLN	Multiple PLN	No.	PAN (+)
					2,044	18 (0.9)
(+)					46	1 (2.2)
	(+)				1,308	15 (1.1)
		(+)			6	0
			(+)		112	1 (0.9)
				(+)	106	7 (6.6)
(+)	(+)				380	7 (1.8)
(+)			(+)		10	1 (10.0)
(+)				(+)	20	0
	(+)	(+)			7	1 (14.3)
	(+)		(+)		225	9 (4.0)
	(+)			(+)	287	14 (4.9)
		(+)	(+)		1	0
		(+)		(+)	1	0
(+)	(+)	(+)			5	0
(+)	(+)		(+)		155	8 (5.2)
(+)	(+)			(+)	328	21 (6.4)
	(+)	(+)	(+)		2	0
	(+)	(+)		(+)	8	1 (12.5)
(+)	(+)	(+)	(+)		4	0
(+)	(+)	(+)		(+)	25	1 (4.0)

Data shown are number (%). Among 5,098 cases with available results for these four risk factors, incidence of PAN metastasis was examined based on patterns of risk factors. Patterns wit risk of PAN metastasis ≥4% are emboldened.

PAN, para-aortic lymph node; PLN, pelvic lymph node.