Table 1.
Patient and treatment characteristics (n)
| Gender | Time period | ||
|---|---|---|---|
| Male | 45 | Before 2008 | 25 |
| Female | 10 | After 2008 | 30 |
| Age | PET-CT Staging | ||
| Median | 75 yrs | Yes | 36 |
| Range | 70–85 yrs | No | 19 |
| Charlson Comorbidity Index | RT sequence | ||
| ≤1 | 40 | Definitive | 48 |
| > 1 | 15 | Neoadjuvant | 7 |
| Histology | RT technique | ||
| Adenocarcinoma | 14 | 3D-CRT | 50 |
| SCC | 41 | IMRT | 5 |
| Localization | RT dose | ||
| Cervical | 5 | median | 59.4Gy |
| Upper thoracic | 12 | range | 10.8-66Gy |
| Middle thoracic | 20 | ||
| Lower thoracic | 18 | Chemotherapy | |
| Yes | 47 | ||
| Grading | full course | 31 | |
| G1 | 1 | > 80% | 36 |
| G2 | 30 | < 80% | 11 |
| G3 | 24 | None | 8 |
| T stage | N stage | ||
| T1 | 1 | N0 | 23 |
| T2 | 11 | N+ | 32 |
| T3 | 32 | ||
| T4 | 11 | ||
yrs years, SCC squamous cell carcinoma, PET-CT positron emission tomography with computed tomography, RT radiation therapy, 3D-CRT three-dimensional conformal radiation therapy, IMRT intensity modulated radiation therapy