Table 6. Lymph node status according to tumor size and middle third invasion stratified with pT4 stage.
| Station No. | Metastatic rate (%) | ||||
|---|---|---|---|---|---|
| T4/B5/MTI (−) | T4/B5/MTI (+) | T4/A5/MTI (−) | T4/A5/MTI (+) | Total | |
| 1 | 25.9 (7/27) | 40.0 (2/5) | 29.0 (9/31) | 57.1 (16/28) | 37.4 (34/91) |
| 2 | 18.5 (5/27) | 0.0 (0/5) | 35.5 (11/31) | 46.4 (13/28) | 31.9 (29/91) |
| 3 | 33.3 (9/27) | 20.0 (1/5) | 41.9 (13/31) | 60.7 (17/28) | 44.0 (40/91) |
| 4sa | 3.7 (1/27) | 0.0 (0/5) | 19.4 (6/31) | 21.4 (6/28) | 14.3 (13/91) |
| 4sb | 7.4 (2/27) | 20.0 (1/5) | 16.1 (5/31) | 28.6 (8/28) | 17.6 (16/91) |
| 4d | 3.7 (1/27) | 20.0 (1/5) | 12.9 (4/31) | 46.4 (13/28) | 20.9 (19/91) |
| 5 | 0.0 (0/27) | 0.0 (0/5) | 6.5 (2/31) | 10.7 (3/28) | 5.5 (5/91) |
| 6 | 0.0 (0/27) | 20.0 (1/5) | 0.0 (0/31) | 10.7 (3/28) | 4.4 (4/91) |
| 7 | 14.8 (4/27) | 60.0 (3/5) | 45.2 (14/31) | 35.7 (10/28) | 34.1 (31/91) |
| 8a | 3.7 (1/27) | 0.0 (0/5) | 19.4 (6/31) | 28.6 (8/28) | 16.5 (15/91) |
| 9 | 7.4 (2/27) | 0.0 (0/5) | 12.9 (4/31) | 25.0 (7/28) | 14.3 (13/91) |
| 10 | 7.4 (2/27) | 0.0 (0/5) | 12.9 (4/31) | 25.0 (7/28) | 14.3 (13/91) |
| 11p | 11.1 (3/27) | 20.0 (1/5) | 16.1 (5/31) | 25.0 (7/28) | 17.6 (16/91) |
| 11d | 3.7 (1/27) | 0.0 (0/5) | 12.9 (4/31) | 14.3 (4/28) | 9.9 (9/91) |
| 12a | 3.7 (1/27) | 0.0 (0/5) | 0.0 (0/31) | 7.1 (2/28) | 3.3 (3/91) |
B5 = below 5 cm; MTI = middle third invasion; A5 = above 5 cm.