Table 1 General information on patients and primary tumor (n = 31)
Characteristic | Case (%) | |
|---|---|---|
Sex | Male | 23 (74%) |
Female | 8 (26%) | |
Age, years | < 65 | 15 (48%) |
≥65 | 16 (52%) | |
Surgical procedure | Abdominoperineal resection | 23 (74%) |
Intersphincteric resection | 2 (6%) | |
Total pelvic exenteration | 6 (20%) | |
Tumor size, cm | < 5 | 17 (55%) |
≥5 | 14 (45%) | |
Location | Rectum | 12 (39%) |
Anal canal | 19 (61%) | |
Depth of tumor invasion | pathological T1 | 3 (10%) |
pathological T2 | 7 (23%) | |
pathological T3 | 11 (35%) | |
pathological T4 | 10 (32%) | |
Mesorectal lymph node metastases | Yes | 18 (58%) |
No | 13 (42%) | |
Lateral lymph node metastases | Yes | 12 (39%) |
No | 11 (36%) | |
LLND was not performed | 8 (25%) | |
Distant metastases | M0 | 29 (93%) |
M1 | 2 (7%) | |
Histology | Well/moderately differentiated | 23 (74%) |
Poorly differentiated/mucinous | 8 (26%) | |
Pathological Stage | I | 6 (19%) |
II | 2 (7%) | |
III | 21 (67%) | |
IV | 2 (7%) |