Characteristics | Number of patients |
---|---|
Total number | 95 |
Age, median 69 years | |
≤69 | 49 |
>69 | 46 |
Gender | |
Male | 61 |
Female | 34 |
Type of surgery | |
Low anterior resection | 76 |
Abdominoperineal resection | 19 |
Tumor location | |
Upper rectum | 23 |
Middle rectum | 52 |
Low rectum | 20 |
Grade of differentiation | |
G1 | 55 |
G2 | 34 |
G3 | 6 |
Histologic type | |
Adenocarcinoma | 82 |
Adenocarcinoma with mucinous features | 13 |
Depth of tumor invasion | |
T3 | 37 |
T4a | 42 |
T4b | 16 |
Tumor size | |
≤4 cm | 64 |
>4 cm | 31 |
Tumor recurrence | |
Yes | 16 |
No | 79 |