Table 1.
Common causes of superior vena cava syndrome
| Malignant (>85%) | Benign (3% to 15%) |
|---|---|
| Lung cancer | Indwelling catheters |
| Lymphoma | Thymoma |
| Breast cancer | Cystic hygroma |
| Tuberculosis | |
| Histoplasmosis | |
| Thyroid goiter | |
| Aortic aneurysm |
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