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Distribution of the anatomical subsites for tumor resections in the series of 484 TORS cases in the Nordic countries during the 10-year period between 2008 and 2017.
| Subsite | Number (%) of surgeries |
|---|---|
| Base of tongue* | 255 (53) |
| Other oropharyngeal | 179 (37) |
| Nasopharynx | 2 (0.4) |
| Hypopharynx | 11(2) |
| Larynx | |
| Supraglottic | 37 (8) |
| Glottic | 0 |
The number of base of tongue resections includes the lingual tonsil resections performed as part of the HN-CUP diagnostic work up.
