Table 1 Clinicopathological features of patients with rectal adenocarcinoma involving different locations along the rectum
Location of the tumor above the anal verge (cm) | 0-5 cm | 5.1-10 cm | 10.1-15 cm |
|---|---|---|---|
Total number of patients with tumors at different locations | 117 | 331 | 436 |
Number of female patients (%) | 61 (52.14%) | 151 (45.62%) | 192 (44.04%) |
Number of male patients (%) | 56 (47.86%) | 180 (54.38%) | 244 (55.96%) |
Age, mean ± SD (range) years | 67 ± 14 (30-96) | 64 ± 14 (30-90) | 65 ± 13 (24-95) |
Degree of differentiation | |||
Well | 11 (9.40%) | 32 (9.67%) | 42 (9.63%) |
Moderate | 96 (82.05%) | 285 (86.10%) | 375 (86.01%) |
Poor | 10 (8.55%) | 14 (4.23%) | 19 (4.36%) |
Tumor invasion depth | |||
T3 | 83 (70.94%) | 221 (66.67%) | 259 (59.40%) |
T4 | 34 (29.06%) | 110 (33.23%) | 177 (40.60%) |
Lymph node status | |||
N0 | 53 (45.30%) | 147 (44.41%) | 194 (44.50%) |
N1 | 27 (23.08%) | 84 (25.38%) | 138 (31.65%) |
N2 | 37 (31.62%) | 100 (30.21%) | 104 (23.85%) |