Table 2 Pathological Characteristics of Patients with Pericolic Lymph Nodes Metastasis Beyond 10 cm Proximal to The Tumor and Those without Metastasis
Variables | All patients (n = 312) | pPCN group (n = 14) | nPCN group (n = 298) | |
|---|---|---|---|---|
Value | P value | |||
Maximum size (cm)a | 3.2 (0–8.0) | 3.75 (2.0–6.0) | 3.0 (0–8.0) | 0.153 |
Total no. of mesenteric lymph nodes harvestedab | 14 (0–45.0) | 17.5 (5.0–38.0) | 13.5 (0–45.0) | 0.218 |
Total no. of positive mesenteric lymph nodesab | 0 (0–11.0) | 3.5 (1.0–14.0) | 0 (0–11.0) | 0.002 |
No. of PCNsa | 1 (0–12.0) | 4.5 (1.0–11.0) | 0 (0–12.0) | < 0.001 |
No. of positive PCNsa | 0 (0–6.0) | 1 (1.0–6.0) | 0 | < 0.001 |
Patients with PCNs | 161 (51.6%) | 14 (100%) | 147 (49.3%) | < 0.001 |
No. of SPLNsa | 6 (0–26.0) | 9.0 (0–13.0) | 6.0 (0–26.0) | 0.099 |
No. of positive SPLNsa | 0 (0–9.0) | 2.0 (0–9.0) | 0 (0–9.0) | 0.007 |
No. of MLNsa | 1.0 (0–19.0) | 2.0 (0–17.0) | 1.0 (0–19.0) | 0.153 |
No. of positive MLNsa | 0 (0–3.0) | 0 (0–3.0) | 0 (0–3.0) | 0.206 |
pT stage | 0.006 | |||
T0–2 | 134 (42.9%) | 1 (7.1%) | 133 (44.6%) | |
T3–4 | 178 (57.1%) | 13 (92.9%) | 165 (55.4%) | |
pN stage | < 0.001 | |||
N0 | 205 (65.7%) | 0 (0%) | 205 (68.8%) | |
N1 | 83 (26.6%) | 7 (50%) | 76 (25.5%) | |
N2 | 24 (7.7%) | 7 (50%) | 17 (5.7%) | |
pTNM stage | < 0.001 | |||
0-II | 196 (62.8%) | 0 (0%) | 196 (65.8%) | |
III-IV | 116 (37.2%) | 14 (100%) | 102 (34.2%) | |
Histological type | 0.001 | |||
G1/G2 | 211 (67.6%) | 4 (28.6%) | 207 (69.5%) | |
G3/G4 | 79 (25.3%) | 10 (71.4%) | 69 (23.2%) | |
Cancer nodule | 41 (13.1%) | 4 (28.6%) | 37 (12.4%) | 0.096 |
Vascular invasion | 31 (9.9%) | 5 (35.7%) | 26 (8.7%) | 0.007 |
Nerve invasion | 61 (19.6%) | 4 (28.6%) | 57 (19.1%) | 0.487 |
Positive circumferential resection margin | 10 (3.2%) | 2 (14.3%) | 8 (2.7%) | 0.140 |