Research Article
Clinicopathologic Significance of Extranodal Tumor Extension in Colorectal Adenocarcinoma with Regional Lymph Node Metastasis
Table 2
Correlations between ENTE and clinicopathologic factors in colorectal adenocarcinoma with regional lymph node metastasis (
).
| Factors | | ENTE | value | Negative (%) | Positive (%) | () | () |
| Age (year) | | | | 0.476† | Mean (±SD) | 230 | 62.66 (±10.30) | 63.43 (±12.82) | | Gender | | | | 0.857‡ | Male | 137 | 72 (52.6%) | 32 (47.4%) | | Female | 93 | 50 (53.8%) | 43 (46.2%) | | Tumor size | | | | 0.477† | Mean (±SD) | 230 | 5.13 (±2.06) | 5.33 (±2.12) | | Gross type | | | | 0.026‡ | UI | 127 | 59 (46.5%) | 68 (53.5%) | | UF & P | 103 | 63 (61.2%) | 40 (38.8%) | | Location | | | | 0.275‡ | Colon | 134 | 67 (50.0%) | 67 (50.0%) | | Rectum | 96 | 55 (57.3%) | 41 (42.7%) | | Histologic grade | | | | 0.012‡ | Low grade | 101 | 63 (62.4%) | 38 (37.6%) | | High grade | 129 | 59 (45.7%) | 70 (54.3%) | | Tumor budding | | | | 0.003‡ | Low grade | 111 | 70 (63.1%) | 41 (36.9%) | | High grade | 119 | 52 (43.7%) | 67 (56.3%) | | Vascular invasion | | | | <0.001‡ | Absent | 158 | 96 (60.8%) | 62 (39.2%) | | Present | 72 | 26 (36.1%) | 46 (63.9%) | | Perineural invasion | | | | 0.015‡ | Absent | 69 | 45 (65.2%) | 24 (34.8%) | | Present | 161 | 77 (47.8%) | 84 (52.2%) | | Tumor deposit | | | | <0.001‡ | Absent | 158 | 101 (63.9%) | 57 (36.1%) | | Present | 72 | 21 (29.2%) | 51 (70.8%) | | MLN/TLN | | | | <0.001† | Mean ratio (%) | 230 | 15.30 (±14.43) | 31.81 (±25.46) | | T stage | | | | 0.211‡ | T1 | 2 | 1 (50.0%) | 1 (50.0%) | | T2 | 15 | 11 (73.3%) | 4 (26.7%) | | T3 | 148 | 81 (54.7%) | 67 (45.3%) | | T4 | 65 | 29 (44.6%) | 36 (55.4%) | | N stage | | | | <0.001‡ | N1 | 103 | 75 (72.8%) | 28 (27.2%) | | N2 | 127 | 47 (37.0%) | 80 (63.0%) | | Distant metastasis | | | | 0.741‡ | Absent | 204 | 109 (53.4%) | 95 (46.6%) | | Present | 26 | 13 (50.0%) | 13 (50.0%) | |
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SD: standard deviation; †Mann-Whitney test; ‡chi-square test; UI: ulceroinfiltrative; UF: ulcerofungating; P: polypoid; MLN/TLN: metastatic lymph nodes/total lymph nodes.
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