Table 2. Site distribution of postoperative abdominal LN metastasis in patients with TE-SSC (%, cases/all samples).

LN category	Overall	Upper thoracic esophageal cancer	Middle thoracic esophageal cancer	Lower thoracic esophageal cancer
No. 8	20.9 (31/148)	16.7 (1/6)	23.0 (20/87)	18.2 (10/55)
No. 9	37.8 (56/148)	33.3 (2/6)	36.8 (32/87)	40.0 (22/55)
No. 10	1.4 (2/148)	0.0 (0/6)	2.3 (2/87)	0.0 (0/55)
No. 11	4.1 (6/148)	0.0 (0/6)	5.7 (5/87)	1.8 (1/55)
No. 12	3.4 (5/148)	0.0 (0/6)	4.6 (4/87)	1.8 (1/55)
No. 13	32.4 (48/148)	33.3 (2/6)	27.8 (24/87)	40.0 (22/55)
No. 14	6.8 (10/148)	16.7 (1/6)	4.6 (4/87)	9.1 (5/55)
No. 15	1.4 (2/148)	0.0 (0/6)	1.1 (1/87)	1.8 (1/55)
No. 16	79.7 (118/148)	66.7 (4/6)	79.3 (69/87)	81.8 (45/55)
16a1	41.2 (61/148)	50.0 (3/6)	41.4 (36/87)	40.0 (22/55)
16a2	64.9 (96/148)	33.3 (2/6)	65.5 (57/87)	67.3 (37/55)
16b1	6.8 (10/148)	0.0 (0/6)	10.3 (9/87)	1.8 (1/55)
16b2	0.7 (1/148)	0.0 (0/6)	0.0 (0/87)	1.8 (1/55)
No. 18	2.7 (4/148)	0.0 (0/6)	3.4 (3/87)	1.8 (1/55)
No. 19	8.1 (12/148)	16.7 (1/6)	5.7 (5/87)	10.9 (6/55)
No. 20	1.4 (2/148)	0.0 (0/6)	1.1 (1/87)	1.8 (1/55)