Immunostaining scores for α-smooth muscle actin (α-SMA)
| Case | Muscularis mucosa | ESC continuous with muscularis mucosa | ESC in the centre of the invasive area |
|---|---|---|---|
| ESC, eosinophilic spindle cells. | |||
| 1 | 3 | 2 | 0 |
| 2 | 3 | 2 | 2 |
| 3 | 3 | 2 | 1.5 |
| 4 | 3 | 3 | 2 |
| 5 | 3 | 3 | 2 |
| 6 | 3 | 2.5 | 2.5 |
| 7 | 3 | 0.5 | 1.5 |
| 8 | 3 | 3 | 2.5 |
| 9 | 3 | 2.5 | 2.5 |
| 10 | 3 | 2.5 | 2 |
| 11 | 3 | 3 | 3 |
| 12 | 3 | 3 | 3 |
| 13 | 3 | 1.5 | 2 |
| 14 | 3 | 2.5 | 1.5 |
| 15 | 3 | 2 | 1.5 |
| 16 | 3 | 1.5 | 0.5 |
| 17 | 3 | 2 | 2 |
| Mean (SD) | 3.0 (0.0) | 2.3 (0.7) | 1.9 (0.8) |