| Pathological type | Plate | Buccal mucosa | Upper lip | Floor of mouth |
| Benign tumor |
|
|
|
|
| Pleomorphic adenoma | 15 | 8 | 1 | 0 |
| Ductal papillomas | 0 | 2 | 0 | 0 |
| Cystadenoma | 0 | 1 | 0 | 0 |
| Malignant tumor |
|
|
|
|
| Mucoepidermoid carcinoma | 3 | 1 | 0 | 0 |
| Adenoid cystic carcinoma | 1 | 2 | 0 | 0 |
| Adenocarcinoma, NOS | 1 | 0 | 0 | 0 |
| Carcinoma ex pleomorphic adenoma | 1 | 0 | 0 | 0 |
| Clear cell carcinoma | 0 | 0 | 0 | 1 |
| Total | 21 | 14 | 1 | 1 |