Patient Characteristics
| Characteristic | Data* |
| Age (y) | |
| Median | 54 |
| Range | 16–79 |
| Sex (n) | |
| Male | 34 (69) |
| Female | 15 (31) |
| Site of primary tumor (n) | |
| Parotid gland | 27 (55) |
| Submandibular gland | 14 (29) |
| Sublingual gland | 2 (4) |
| Minor salivary gland | 6 (12) |
| Size of primary tumor (cm) | |
| Median | 2.5 |
| Range | 0.8–9.0 |
| Histologic grade (n) | |
| Intermediate | 23 (47) |
| High | 26 (53) |
| pTNM stage (n) (19) | |
| T1/T2/T3/T4 | 7/17/15/10 |
| N0/N1/N2/N3 | 30/3/16/0 |
| M0/M1 | 47/2 |
| Stage I/II/III/IV | 4/13/11/21 |
| Treatment (n) | |
| Surgery alone | 9 (18) |
| Surgery + radiotherapy | 36 (74) |
| Surgery + chemoradiotherapy | 4 (8) |
| Disease progression (n) | 13 (27) |
Values in parentheses are percentages.