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Table 3 Correlation between levels of tumor thrombus extension and managed operation

From: Impacts of clinicopathologic and operative factors on short-term and long-term survival in renal cell carcinoma with venous tumor thrombus extension: a multi-institutional retrospective study in Japan

  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