| PMC full text: | Published online 2024 Sep 29. doi: 10.3390/cancers16193333
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Table 1
Patient characteristics.
| Variable | Number/Mean ± SD (Range) |
|---|---|
| Sex | |
| Male | 70 |
| Female | 30 |
| Organ of primary tumor | |
| Bladder | 63 |
| Urinary tract | 37 |
| Initial treatment for primary tumor | |
| Surgery | 44 |
| Chemotherapy and/or radiotherapy | 15 |
| Unknown | 55 |
| Pathological N stage of primary tumor | |
| N0 | 62 |
| N1–3 | 9 |
| Pathological M stage of primary tumor | |
| M0 | 64 |
| M1 | 7 |
| Initial site of recurrence | |
| Pulmonary | 95 |
| Extrapulmonary | 5 |
| Number of tumors at detection of lung metastases | |
| Single | 35 |
| Multiple | 11 |
| Unavailable | 54 |
| Perioperative chemotherapy for lung metastases | |
| Before lung surgery | 7 |
| After lung surgery | 11 |
| None | 84 |
| Type of lung surgery | |
| Wedge resection | 52 |
| Segmentectomy | 9 |
| Lobectomy | 14 |
| Side of surgery for lung metastases | |
| Right | 57 |
| Left | 35 |
| Both | 8 |
| Lymph node metastases found at lung surgery | |
| Hilar lymph node metastases | 2 |
| Mediastinal lymph node metastases | 6 |
| Extended resection | |
| Chest wall | 3 |
| Angioplasty and bronchoplasty | 1 |
| Age at lung surgery (years) | 67 ± 10 (26–84) |
| Size of lung metastases according to CT (mm) | 30 ± 36 (1–172) |
| Size of resected lung metastases (mm) | 21 ± 16 (5–86) |
| Disease-free interval from initial treatment (months) | 26.6 ± 34.2 (0–172) |
| Interval from initial treatment to lung surgery (months) | 30.4 ± 36.0 (0–172) |
| Follow-up period | 54.6 ± 53.2 (3–224) |