| Recurrent patient no. | Age | Sex | Tumor site | TNM classification | Time of locoregional recurrence |
|---|---|---|---|---|---|
| 1 | 56 | Female | Oropharynx | cT4 cN2c cM0 G2 | 11 |
| 2 | 61 | Male | Hypopharynx | cT3 cN2c cM0 G3 | 6 |
| 3 | 61 | Male | Oropharynx | cT4 cN2c cM0 G2 | 3 |
| 4 | 63 | Female | Oral cavity | cT4 cN2c cM0 G2 | 11 |
| 5 | 71 | Male | Hypopharynx | cT3 cN2b cM0 G2 | 8 |
| 6 | 52 | Male | Oropharynx | cT4 cN2c cM0 G3 | 9 |
| 7 | 67 | Male | Oral cavity |
cT3 cN2 cM0 G2 | 13 |
| 8 | 44 | Male | Hypopharynx | cT3 cN2b cM0 G2 | 15 |
| 9 | 73 | Male | Oropharynx |
cT3 cN0 cM0 G2 | 11 |