TABLE 1.
Clinicopathological factors | Total N = 144 | |
---|---|---|
n | IQR or % | |
Sex, n (%) | ||
Male | 88 | 61.1% |
Female | 56 | 38.9% |
Age, y (IQR) | 51.0 | (40.0–64.0) |
Tumor size, cm (IQR) | 1.5 | (0.7–2.2) |
Distance from the anus, cm (IQR) | 5.0 | (3.5–8.0) |
T stage, n (%) | ||
T1 | 89 | 61.8% |
T2 | 24 | 16.7% |
T3 | 22 | 15.3% |
T4 | 9 | 6.3% |
Distant metastasis, n (%) | ||
Negative | 132 | 91.7% |
Positive | 12 | 8.3% |
Resection type, n (%) | ||
Endoscopic resection | 27 | 18.8% |
Transanal excision | 55 | 38.2% |
RR | 50 | 34.7% |
Only biopsy | 3 | 2.1% |
Palliative surgery | 9 | 6.3% |
Microvascular invasion, n (%) | ||
Negative | 126 | 87.5% |
Positive | 18 | 12.5% |
Perineural invasion, n (%) | ||
Negative | 131 | 91.0% |
Positive | 13 | 9.0% |
IQR = interquartile range; RNET = rectal neuroendocrine tumor; RR, radical resection.