Table 1.
Clinicopathological findings of submucosal invasive colorectal cancer
| Findings | Cases (%) | |
|---|---|---|
| Total | 109 | |
| Sex | Men : Women | 57 : 52 |
| Age (year) | Range (median) | 40-93 (67) |
| Size (mm) | Range (median) | 5-80 (22.5) |
| Site | Right | 36 (33.0) |
| Left | 73 (67.0) | |
| Macroscopic type | 0-I type | 37 (33.9) |
| 0-IIa type | 24 (22.0) | |
| 0-IIc type | 16 (14.7) | |
| 0-IIa+IIc type | 28 (25.7) | |
| LST type | 5 (4.6) | |
| Histological type | WDA | 36 (33.0) |
| MDA | 69 (63.3) | |
| PAP | 2 (1.8) | |
| POR | 2 (1.8) | |
| pSM depth | pSM1 | 8 (7.3) |
| pSM2 | 101 (92.7) | |
| Lymphatic invasion | Low | 104 (95.4) |
| High | 5 (4.6) | |
| Venous invasion | Low | 102 (93.6) |
| High | 7 (6.4) | |
| pN | pN0 | 80 (73.4) |
| pN1 | 29 (26.6) | |
| pM | pM0 | 109 |
| pM1 | 0 | |
| Tumor budding | Grade 1 | 99 (90.8) |
| Grade 2 | 10 (9.2) |
Macroscopic type: I, protruded type; IIa, flat elevated type; IIc, flat depressed type; LST, laterally spreading tumor; WDA, well-differentiated adenocarcinoma; MDA, moderately differentiated adenocarcinoma; PAP, papillary adenocarcinoma; POR, poorly differentiated adenocarcinoma.