| 年度 | 例数 | 未治疗(%) | 治疗及措施 | ||||
| EMR | APC | 手术 | 放疗 | 小计(%) | |||
| 2009 | 95 | 30 (31.58) | 26 | 18 | 21 | 0 | 65 (68.42) |
| 2010 | 177 | 67 (37.85) | 28 | 20 | 55 | 7 | 110 (62.15) |
| 2011 | 149 | 72 (48.32) | 20 | 15 | 42 | 0 | 77 (51.68) |
| 2012 | 166 | 20 (12.05) | 87 | 6 | 51 | 2 | 146 (87.95) |
| 2013 | 122 | 18 (14.75) | 57 | 1 | 44 | 2 | 104 (85.26) |
| 合计(%) | 709 | 207 (29.20) | 218 (30.75) | 60 (8.46) | 213 (30.04) | 11 (1.55) | 502 (70.80) |