Table 1.
—Baseline Characteristics of Patients and Lymph Nodes
| Characteristic | Value |
| No. patients | 115 |
| Age, median (range), y | 64 (27-86) |
| Sex | |
| Women | 60 (52) |
| Men | 55 (48) |
| Known baseline malignancy | |
| Yes | 87 (76) |
| No | 28 (24) |
| Procedure indication | |
| Diagnosis | 55 (48) |
| Staging | 28 (24) |
| Diagnosis and staging | 10 (9) |
| Restaging | 22 (19) |
| Previous chest irradiation | |
| Yes | 17 (15) |
| No | 98 (85) |
| Previous chemotherapy | |
| Yes | 31 (27) |
| No | 84 (73) |
| Lymph nodes, No. | 192 |
| Lymph node size, median (range), cm | 0.98 (0.47-4.02) |
| Lymph node station, No. | |
| 1R | 1 |
| 1L | 1 |
| 2R | 2 |
| 2L | 0 |
| 3 | 0 |
| 4R | 51 |
| 4L | 31 |
| 7 | 42 |
| 10R | 1 |
| 10L | 3 |
| 11R | 27 |
| 11L | 33 |
Data are presented as No. (%) unless indicated otherwise. L = left; R = right.