Table 2.
Clinicopathologic Characteristics of Patients with Resected Ampullary Carcinoma by LNR group
| LNR:0 N=71 |
LNR: 0.01–0.14 N=42 |
LNR≥0.15 N=30 |
p-value | ||
|---|---|---|---|---|---|
| Age, median (range), y | 67 (28–84) | 64 (40–78) | 64 (37–87) | 0.312 | |
| Gender, n (%) | Male | 44 (62) | 24 (57) | 17 (57) | 0.828 |
| Female | 27 (38) | 18 (43) | 13 (43) | ||
| Race, n (%) | Caucasian | 46 (64) | 32 (76) | 23 (76) | 0.322 |
| African- American |
7 (10) | 1 (2) | 0 | ||
| Hispanic | 9 (13) | 3 (7) | 5 (17) | ||
| Other | 9 (13) | 6 (15) | 2 (7) | ||
| Preop Chemoradiation, n (%) |
20 (28) | 7 (17) | 6 (20) | 0.523 | |
| Postop Chemotherapy, n (%) |
4 (6) | 13 (31) | 11 (37) | <0.001 | |
| Postop Chemoradiation, n (%) |
8 (11) | 21 (49) | 19 (63) | <0.001 | |
| T Stage, n (%) | T0–T2 | 50 (70) | 23 (55) | 7 (23) | <0.001 |
| T3–T4 | 21 (30) | 19 (45) | 23 (77) | ||
| Tumor Size, median (range), cm |
1.8 (0–7.8) | 1.5 (0–7) | 2 (0–5.5) | 0.264 | |
| # LN examined, median (range) |
18 (4–45) | 22 (8–54) | 19 (4–37) | 0.019 | |
| # positive LN, median (range) |
0 | 1 (1–6) | 5 (1–14) | <0.001 | |
| Number of Positive LN group |
0 | 71 (100) | 0 | 0 | <0.001 |
| 1–3 | 0 | 40 (93) | 12 (40) | ||
| 4–6 | 0 | 3 (7) | 10 (33) | ||
| ≥7 | 0 | 0 | 8 (27) | ||
| AJCC Stage, n (%) | 0–2A | 65 (92) | 1 (2) | 0 | <0.001 |
| 2B-3 | 6 (8) | 41 (98) | 30 (100) | ||
| Lymphovascular invasion, n (%) |
Negative | 40 (56) | 15 (36) | 6 (20) | <0.001 |
| Positive | 16 (23) | 18 (43) | 20 (67) | ||
| Missing | 15 (21) | 9 (21) | 4 (13) | ||
| Perineural invasion, n (%) |
Negative | 29 (41) | 15 (36) | 5 (17) | 0.001 |
| Positive | 10 (14) | 8 (19) | 15 (50) | ||
| Missing | 32 (45) | 19 (45) | 10 (33) | ||
| CA 19-9, median (range), u/mL |
42 (3–13764) |
26 (1–689) |
59 (1–5184) |
0.159 | |
| Grade, n (%) | Well | 9 (13) | 3 (7) | 2 (3) | 0.781 |
| Moderate | 46 (65) | 29 (69) | 21 (70) | ||
| Poor | 11 (15) | 10 (24) | 8 (27) | ||
| Missing | 5 (7) | 0 | 0 | ||
| Resection Status, n (%) | R0 | 69 (99) | 42 (98) | 29 (97) | 0.781 |
| R1 | 1 (1) | 1 (2) | 1 (3) | ||
| Perioperative Complications, n (%) |
14 (20) | 7 (17) | 4 (13) | 0.741 | |
| First Recurrence | 18 (25) | 15 (36) | 22 (73) | <0.001 | |
| Local recurrence |
5 (7) | 5 (12) | 6 (20) | 0.154 | |
| Distant recurrence |
16 (23) | 12 (29) | 19 (63) | 0.001 | |
| Peritoneal | 3 (21) | 2 (18) | 2 (13) | ||
| Liver | 6 (43) | 4 (36) | 8 (53) | ||
| Lung | 4 (29) | 5 (46) | 4 (27) | ||
| Other | 1 (7) | 0 | 1 (7) |