Table 5. Lymph node status according to tumor size and middle third invasion stratified with pT3 stage.
| Station No. | Metastatic rate (%) | ||||
|---|---|---|---|---|---|
| T3/B5/MTI (−) | T3/B5/MTI (+) | T3/A5/MTI (−) | T3/A5/MTI (+) | Total | |
| 1 | 19.8 (16/81) | 16.7 (1/6) | 34.6 (18/52) | 44.4 (4/9) | 26.4 (39/148) |
| 2 | 13.6 (11/81) | 0.0 (0/6) | 28.8 (15/52) | 0.0 (0/9) | 17.6 (26/148) |
| 3 | 39.5 (32/81) | 0.0 (0/6) | 42.3 (22/52) | 55.6 (5/9) | 39.9 (59/148) |
| 4sa | 1.2 (1/81) | 0.0 (0/6) | 5.8 (3/52) | 0.0 (0/9) | 2.8 (4/148) |
| 4sb | 2.5 (2/81) | 0.0 (0/6) | 1.9 (1/52) | 0.0 (0/9) | 2.7 (3/148) |
| 4d | 0.0 (0/81) | 0.0 (0/6) | 1.9 (1/52) | 11.1 (1/9) | 1.4 (2/148) |
| 5 | 0.0 (0/81) | 0.0 (0/6) | 1.9 (1/52) | 0.0 (0/9) | 0.7 (1/148) |
| 6 | 0.0 (0/81) | 0.0 (0/6) | 1.9 (1/52) | 0.0 (0/9) | 0.7 (1/148) |
| 7 | 19.8 (16/81) | 16.7 (1/6) | 30.8 (16/52) | 11.1 (1/9) | 23.0 (34/148) |
| 8a | 3.7 (3/81) | 0.0 (0/6) | 5.8 (3/52) | 0.0 (0/9) | 4.1 (6/148) |
| 9 | 8.6 (7/81) | 0.0 (0/6) | 9.6 (5/52) | 0.0 (0/9) | 8.1 (12/148) |
| 10 | 2.5 (2/81) | 0.0 (0/6) | 7.7 (4/52) | 0.0 (0/9) | 4.1 (6/148) |
| 11p | 6.2 (5/81) | 0.0 (0/6) | 17.3 (9/52) | 0.0 (0/9) | 9.5 (14/148) |
| 11d | 0.0 (0/81) | 16.7 (1/6) | 9.6 (5/52) | 0.0 (0/9) | 4.1 (6/148) |
| 12a | 0.0 (0/81) | 0.0 (0/6) | 1.9 (1/52) | 0.0 (0/9) | 0.7 (1/148) |
B5 = below 5 cm; MTI = middle third invasion; A5 = above 5 cm.