Table 2.
pCCA tumor characteristics.
| Variables | Normal Weight (n = 48 Patients) |
Overweight (n = 33 Patients) |
Obese (n = 14 Patients) |
p-Value |
|---|---|---|---|---|
| Tumor size (mm) | 41.5 ± 3.8 | 31.1 ± 3.3 | 29.5 ± 4.3 | 0.09 |
| Tumor Differentiation | 0.37 | |||
| Well (G1) | 4 (8.3%) | 1 (3%) | 0 (0%) | |
| Moderately (G2) | 24 (50%) | 12 (36.4%) | 6 (42.9%) | |
| Poor (G3) | 20 (41.7%) | 20 (60.6%) | 8 (57.1%) | |
| AJCC, 8th edition | 0.426 | |||
| I | 3 (6.3%) | 0 (0%) | 2 (5.3%) | |
| II | 21 (43.8%) | 22 (66.7%) | 9 (64.3%) | |
| IIIA | 2 (4.2%) | 1 (3%) | 1 (7.1%) | |
| IIIB | 2 (4.2%) | 2 (6.1%) | 0 (0%) | |
| IIIC | 13 (27.1%) | 4 (12.1%) | 2 (14.3%) | |
| IVA | 3 (6.3%) | 1 (3%) | 0 (0%) | |
| IvB | 4 (8.3%) | 3 (9.1%) | 0 (0%) | |
| Resection margin status | 0.44 | |||
| Microscopic negative (R0) | 36 (75%) | 21 (63.6%) | 11 (78.6%) | |
| Microscopic positive (R1) | 12 (25%) | 12 (36.4%) | 3 (21.4) | |
| Vascular Invasion | 0.951 | |||
| No | 35 (72.9%) | 23 (69.7%) | 10 (71.4%) | |
| Yes | 13 (27.1%) | 10 (30.3%) | 4 (28.6%) | |
| Perineural Invasion | 0.848 | |||
| No | 8 (16.7%) | 7 (21.2%) | 3 (21.4%) | |
| Yes | 40 (83.3%) | 26 (78.8%) | 11 (78.6%) | |
| Invasion of small lymphatic vessels | 0.512 | |||
| No | 12 (25%) | 10 (30.3%) | 2 (14.3%) | |
| Yes | 36 (75%) | 23 (63.6%) | 12 (85.7%) | |
| Metastasic lymph node | 0.232 | |||
| Negative | 28 (58.3%) | 24 (72.7%) | 11 (78.6%) | |
| Positive | 20 (41.7%) | 9 (27.3%) | 3 (21.4%) | |
| Metastasic Lymph node | 0.555 | |||
| 0 | 28 (58.3%) | 24 (72.7%) | 11 (78.6%) | |
| 1–3 | 15 (31.3%) | 7 (21.2%) | 2 (14.3%) | |
| >3 | 5 (10.4%) | 2 (6.1%) | 1 (7.1%) | |
| Harvested Lymph node | 4.9 ± 0.5 | 5.2 ± 0.6 | 4.1 ± 0.9 | 0.59 |
| Mean and SEM | ||||
| Lymph node | 0.67 | |||
| harvested | ||||
| 0–5 | 30 (62.5%) | 19 (57.6%) | 10 (71.4%) | |
| >5 | 18 (37.5%) | 14 (42.4%) | 4 (28.6%) |