Table 2

Predictors of stable tumor engraftment

All histologiesccRCC
Engrafted/
total
PEngrafted/
total
P
RCC histology0.15
  Clear cell11/65
  Papillary3/14
  Chromophobe0/4
  Oncocytoma0/5
  Unclassified2/3
VHL mutation (germline
or somatic)
0.59
  Mutant8/42
  Wild type2/6
Tumor implanted from
metastatic site
4/50.00283/40.014
Sarcomatoid differentiation5/100.0124/90.038
Fuhrman nuclear grade0.00080.002
  10/20/2
  21/320/26
  35/344/22
  47/135/11
Focality1.0000.52
  Unifocal11/747/57
  Multifocal1/71/4
Size (cm)0.580.30
  ≤44/273/19
  >4–73/281/19
  >7–105/214/16
  >104/183/11
0.00140.0026
Pathologic tumor stage0.00140.0026
  T11/370/28
  T23/152/9
  T35/254/21
  T43/42/3
Pathologic lymph node stage0.00770.016
  N01/210/17
  N14/72/3
Metastasis at presentation6/100.00144/70.013