Table 1.
Patient and tumor characteristics.
| Patient characteristics | |
| Patients | 33 |
| Median Age (Range) | 66 (45–80) |
| Gender | No. (%) |
| Female | 14 (42) |
| Male | 19 (58) |
| ECOG performance status | |
| ECOG 0 | 7 (21) |
| ECOG 1 | 19 (58) |
| ECOG 2 | 6 (18) |
| ECOG 3 | 0 |
| Stage at diagnosis* | No. (% of lung primary) |
| IA | 5 (17) |
| IB | 4 (14) |
| IIA | 2 (7) |
| IIB | 2 (7) |
| IIIA | 8 (28) |
| IIIB | 5 (17) |
| IV | 3 (10) |
| Prior lung surgery (lobectomy/wedge) | No. (%) |
| Yes | 8 (24) |
| No | 25 (76) |
| Tumor characteristics | |
| Histology in lung primary tumors | No. (% of all patients) |
| Adenocarcinoma | 12 (36) |
| Squamous cell carcinoma | 11 (33) |
| Small cell lung cancer | 4 (12) |
| Non-small cell lung cancer | 1 (3) |
| Adenocarcinoma and squamous cell carcinoma | 1 (3) |
| Non-lung primary tumors | No. (% of all patients) |
| Laryngeal | 2 (6) |
| Parotid | 1 (3) |
| Esophageal | 1 (3) |
| Tumor size† | |
| Average | 2.5 cm |
| Range | 0.6–5.4 cm |
| Location of lesion treated with SBRT‡ | No. (%) |
| Central | 17 (52) |
| Peripheral | 16 (48) |
*
Stage for the 29 lung primary tumors.
†
Size of lesions retreated with AHRT, excludes EBRT retreatment.
‡
Central versus peripheral as defined by RTOG 0813 criteria.