Table 3.
Correlation between levels of tumor thrombus extension and managed operation
| |
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 | |
| |
Surgical category 1, 2, 3 |
Surgical category 4 |
Surgical category 5 |
|
|
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 | |