Table 2.
Patterns of loco-regional recurrence based on the primary tumor location. The rate of loco-regional recurrence (%)
| Site | LRR | TB | 8 N | 9 N | 12 N | 13 N | 14N | 16 N | 17 N |
|---|---|---|---|---|---|---|---|---|---|
| PHBD | 21 | 5 | 3 | 5 | 2 | 2 | 3 | 1 | 0 |
| (23.8) | (14.3) | (23.8) | (9.5) | (9.5) | (14.3) | (4.8) | (0) | ||
| DBD | 41 | 7 | 6 | 4 | 6 | 2 | 8 | 7 | 1 |
| (17.1) | (14.6) | (9.8) | (14.6) | (4.9) | (19.5) | (17.1) | (2.4) | ||
| AOV | 9 | 1 | 1 | 0 | 1 | 0 | 4 | 2 | 0 |
| (11.1) | (11.1) | (0) | (11.1) | (0) | (44.4) | (22.2) | (0) | ||
| Total | 71 | 13 | 10 | 9 | 9 | 4 | 15 | 10 | 1 |
| (18.3) | (14.1) | (12.7) | (12.7) | (5.6) | (21.1) | (14.1) | (1.4) |
LRR loco-regional recurrence, TB tumor bed, N lymph node station, PHBD perihilar bile duct, DBD distal bile duct, AOV ampulla of Vater