Table 1 Descriptive clinicopathologic characteristics of 60 patients with renal cell carcinoma and inferior vena cava tumor thrombus
Characteristics | Results |
|---|---|
Patients, n | 60 |
Median age, yr (interquartile range) | 59.5 (47.8–65.0) |
Male/Female (n) | 46/14 |
Mean body mass index, kg/m2 (range) | 23.8 (17.6–30.5) |
Affected kidney (n) | |
 Left | 22 |
 Right | 38 |
Mean tumor size, cm (range) | 7.6 (3.2–15.6) |
Clinical stage (n) | |
 T3aN0M0 | 5 |
 T3bN0M0 | 37 |
 T3bN0M1 | 9 |
 T3cN0M1 | 5 |
 T3bN0M1 | 4 |
IVC thrombus classification (n) | |
 Level I | 22 |
 Level II | 27 |
 Level III | 6 |
 Level IV | 5 |
Mean IVC thrombus length cm (range) | 7.9 (4.7–13.6) |
Presence of bland thrombus (n) | 10 |
Superior bland thrombus (n) | 4 |
Caudal bland thrombus (n) | 6 |
Surgical strategy during IVC thrombectomy | |
 Incision of the IVC for thrombectomy (n) | 51 |
 IVC Segmental transection (n) | 9 |