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Table 1 Characteristics of 74 NSCLC patients with postoperative locoregional recurrence treated with radical radiotherapy
| Characteristic | Number of patients (%) |
|---|---|
| Sex | |
| Male | 54 (73.0) |
| Female | 20 (27.0) |
| Stage of primary tumora | |
| I | 17 (23.0) |
| II | 16 (21.6) |
| III | 34 (45.9) |
| Unknown | 7 (9.5) |
| Histology | |
| Squamous cell carcinoma | 18 (24.3) |
| Adenocarcinoma | 41 (55.4) |
| Lymphoepithelioma-like carcinoma | 10 (13.3) |
| Others | 5 (6.8) |
| EGFR status | |
| Mutation | 14 (18.9) |
| Wild-type | 37 (50.0) |
| Unknown | 23 (31.1) |
| Recurrence site | |
| Stump | 8 (10.8) |
| Regional lymph nodes | 56 (75.7) |
| Ipsilateral lung | 6 (8.1) |
| Both stump and regional lymph nodes | 3 (4.0) |
| Both regional lymph nodes and ipsilateral lung | 1 (1.4) |
| Concurrent chemotherapy | |
| Yes | 59 (79.7) |
| No | 15 (20.3) |
| Radiation technique | |
| 3D-CRT | 5 (6.8) |
| IMRT | 62 (83.8) |
| SBRT | 7 (9.4) |
