Table 13.
Survival outcomes by depth of invasion
| No. of patients | Postoperative survival rate (%) | SE of 5YSR | DD | Lost to follow up | Alive | Main cause of death | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 year | 2 year | 3 year | 4 year | 5 year | L | P | H | M | R | OC | OD | UK | ||||||
| pT1(M) | 3071 | 98.1 | 96.9 | 95.0 | 93.5 | 92.2 | 0.5 | 5 | 606 | 2248 | 7 | 4 | 4 | 1 | 7 | 53 | 98 | 43 |
| pT1(SM) | 2662 | 97.5 | 95.0 | 93.1 | 90.9 | 89.1 | 0.6 | 6 | 500 | 1898 | 11 | 16 | 19 | 11 | 16 | 51 | 109 | 31 |
| pT2(MP) | 1071 | 93.4 | 88.7 | 84.0 | 80.9 | 78.3 | 1.3 | 3 | 183 | 675 | 13 | 23 | 31 | 19 | 22 | 17 | 68 | 20 |
| pT2(SS) | 1695 | 87.0 | 74.7 | 67.6 | 63.2 | 60.6 | 1.2 | 17 | 262 | 817 | 67 | 148 | 122 | 48 | 65 | 20 | 99 | 47 |
| pT3(SE) | 2278 | 69.7 | 50.9 | 41.3 | 35.8 | 33.0 | 1.0 | 26 | 264 | 601 | 132 | 712 | 140 | 72 | 148 | 10 | 102 | 97 |
| pT4(SI) | 417 | 57.7 | 38.1 | 30.0 | 26.0 | 22.8 | 2.2 | 5 | 45 | 77 | 36 | 134 | 39 | 8 | 40 | 4 | 24 | 10 |
p pathological finding, M mucosa or muscuralis musoca, SM submucosa, MP muscularis propria, SS subserosal, SE serosa, SI adjacent structures