| Characteristic | No. of patients* |
|---|---|
| Male sex | 6 |
| Time to thrombosis, median (range), d | 30 (4-259) |
| Site | |
| Subclavian vein | 6 |
| Axillary vein | 3 |
| Brachial vein | 1 |
| Patient diagnosis | |
| Hematological malignant disorder | 3 |
| Lung cancer | 2 |
| Breast cancer | 1 |
| Colorectal cancer | 1 |
| Infection | 3 |
| Outcome | |
| Complete resolution after first follow-up | 7 |
| Extension of thrombosis | 2 |
| Residual nonocclusive thrombosis | 1 |
*Except where noted otherwise.