Table 3 Correlation between levels of tumor thrombus extension and managed operation
| Â | Operative status | Statistical significance (chi-square test) | ||
|---|---|---|---|---|
Level of tumor thrombus | Radical nephrectomy and complete resection of thrombus regardless of metastatic status | Radical nephrectomy and incomplete resection of thrombus regardless of metastatic status | Abandoned operation | |
| Â | Surgical category 1, 2, 3 | Surgical category 4 | Surgical category 5 | Â |
All patients (n = 284) | ||||
Intrarenal vein | 146 | 2 | 4 | n.s. |
Infrahepatic IVC | 95 | 4 | 2 | |
Suprahepatic IVC | 20 | 0 | 0 | |
Intrapericardial IVC/ intracardiac extension | 9 | 1 | 1 | |
Patients without apparent distant metastasis (n = 180) | ||||
Intrarenal vein | 99 | 0 | 1 | n.s. |
Infrahepatic IVC | 58 | 2 | 0 | |
Suprahepatic IVC | 12 | 0 | 0 | |
Intrapericardial IVC/ intracardiac extension | 7 | 1 | 0 | |
Patients without distant metastasis and lymphnode involvement (n = 82) | ||||
Intrarenal vein | 54 | 0 | 0 | n.s. |
Infrahepatic IVC | 19 | 0 | 1 | |
Suprahepatic IVC | 6 | 0 | 0 | |
Intrapericardial IVC/ intracardiac extension | 2 | 0 | 0 | |