Table 2. RTV and PTV by PTS and histologic subtype.

	N	RTV (cm3)	PTV (cm3)	P value
Total	482	79.0 ± 118.4	76.9 ± 128.2	0.393
PTS (cm)
< 4	222	10.9 ± 9.9	7.1 ± 6.1	< 0.001
4–7	153	56.0 ± 31.4	44.7 ± 24.0	< 0.001
7–10	63	165.4 ± 61.1	169.3 ± 70.6	0.637
≥ 10	44	378.7 ± 137.0	409.3 ± 141.5	0.180
Clear cell	403	79.9 ± 119.9	74.8 ± 127.4	0.042
PTS (cm)
< 4	190	11.7 ± 10.3	7.1 ± 6.0	< 0.001
4–7	128	59.3 ± 31.5	45.6 ± 23.9	< 0.001
7–10	52	176.1 ± 60.5	174.8 ± 67.3	0.881
≥ 10	33	400.8 ± 140.0	419.6 ± 157.1	0.480
Non-clear cell	79	74.5 ± 111.1	88.1 ± 132.6	0.055
PTS (cm)
< 4	32	6.5 ± 6.1	6.8 ± 7.0	0.701
4–7	25	39.1 ± 25.5	40.2 ± 24.8	0.734
7–10	11	115.1 ± 33.2	143.5 ± 83.1	0.208
≥ 10	11	312.4 ± 107.6	378.3 ± 75.8	0.156

RTV, renal tumor volume; PTV, pathologic tumor volume; PTS, pathologic tumor size.