Table 1.
Characteristics of Patients and Treatments.
| Patients | No. (%) or median (Range) | Treatments | No. (%) or median (Range) |
|---|---|---|---|
| Age, years | 48 (28-68) | Surgery | 19 (59.4) |
| Sex | Type | ||
| Male | 23 (71.9) | Endoscopic rsct | 3 (3/19,15.8) |
| Female | 9 (28.1) | Tracheal rsct | 9 (9/19,47.3) |
| Histologic type | Laryngotracheal rsct | 4 (4/19,21.1) | |
| SCC | 18 (56.3) | Stent implantation | 2 (2/19,10.5) |
| ACC | 10 (31.2) | Tracheotomy | 1 (1/19,5.3) |
| Undifferentiated | 3 (9.4) | Rsct margin status | |
| Adenocarcinoma | 1 (3.1) | R1 | 7 (7/16,43.8) |
| Smoking status | R0 | 9 (9/16,56.3) | |
| Never | 19 (59.4) | Radiotherapy | 32 (100) |
| Ever | 13 (40.6) | Type | |
| Location | PORT | 13 (40.6) | |
| Cervical | 7 (21.9) | Definitive RT | 18 (56.3) |
| Thoracic | 25 (78.1) | Palliative RT | 1 (3.1) |
| Extension | Technique | ||
| Carina | 10 (31.3) | 2DRT | 9 (28.1) |
| Nodal involvement | 5 (15.6) | 3DCRT | 12 (37.5) |
| Esophagus | 3 (9.4) | IMRT | 11 (34.4) |
| Main stem bronchus | 3 (9.4) | Median dose, Gy | |
| Thyroid | 1 (3.1) | PORT | 54.0 (50-60) |
| Presenting symptoms | Definitive RT | 67.5 (60-70) | |
| Hemoptysis | 12 (37.5) | Chemotherapy | 12 (37.5) |
| Dyspnea | 9 (28.1) | Induction | 3 (9.4) |
| Stridor | 6 (18.8) | Concurrent | 7 (21.9) |
| Cough | 5 (15.6) | Adjuvant | 2 (6.3) |
Abbreviations: Rsct, resection; SCC, squamous cell carcinoma; ACC, adenoid cystic carcinoma; PORT, post-operative radiotherapy; RT, radiotherapy; 2DRT, 2-dimensional radiotherapy; 3DCRT, 3-dimensional conformal radiotherapy; IMRT, intensity-modulated radiotherapy.