| 类型 | 病变数 | 病理学类型 | |||||
| 非肿瘤性病变 | 腺瘤 | LGIN | HGIN/SM-s | SM-d | 进展期癌 | ||
| 1 | 5 | 5 | 0 | 0 | 0 | 0 | 0 |
| 2A | 133 | 13 | 98 | 5 | 14 | 2 | 1 |
| 2B | 75 | 6 | 19 | 6 | 35 | 3 | 6 |
| 3 | 3 | 0 | 0 | 0 | 0 | 0 | 3 |
| 合计 | 216 | 24 | 117 | 11 | 49 | 5 | 10 |