Table 1 Patients' clinicopathologic features at surgery
WMDA (n = 152) | PDA (n = 98) | MUA (n = 64) | SRCC (n = 9) | |
|---|---|---|---|---|
Age | ||||
Range | 34–93 | 36–92 | 26–90 | 30–82 |
Median | 69 | 69.5 | 71 | 71 |
Sex | ||||
Male | 95 | 47 | 42 | 5 |
Female | 57 | 51 | 22 | 4 |
Family history of CRC | ||||
Yes | 7 | 1 | 4 | 1 |
No | 145 | 96 | 59 | 8 |
Unknown | 1 | 1 | ||
Location | ||||
Left-sided | 107 | 40 | 33 | 4 |
Right-sided | 45 | 58 | 31 | 5 |
Depth of invasion | ||||
pTis/pT1/pT2 | 3/15/22 | 0/2/3 | 0/1/5 | 0/0/1 |
pT3/pT4 | 92/20 | 57/36 | 45/13 | 2/6 |
Venous invasion | ||||
Yes (v1-3) | 84 | 80 | 31 | 8 |
No (v0) | 68 | 18 | 33 | 1 |
Lymphatic invasion | ||||
Yes | 55 | 86 | 38 | 8 |
No | 88 | 12 | 26 | 1 |
Unknown | 9 | |||
Nodal metastasis | ||||
pN1/pN2 | 41/17 | 37/30 | 17/9 | 2/4 |
pN0 | 94 | 31 | 38 | 3 |
pTNM stage | ||||
0/I/II | 3/33/58 | 0/4/27 | 0/4/33 | 0/1/1 |
III | 58 | 67 | 27 | 7 |
Postoperative chemotherapy | ||||
Yes | 52 | 48 | 22 | 3 |
No | 100 | 48 | 39 | 6 |
Unknown | 2 | 3 | ||
Postoperative radiation | ||||
Yes | 5 | 2 | 3 | 1 |
No | 147 | 94 | 58 | 8 |
Unknown | 2 | 3 |