| Treatment Modality | Number of patients | Percent (%) | 
| Surgery | 186 | 93 | 
| Surgery + PORT | 4 | 2 | 
| Surgery + chemotherapy | 1 | 0.5 | 
| All | 6 | 3 | 
| No interference | 3 | 1.5 | 
| Total | 200 | 100 |