Table 2.

Differences between group 1 and group 2 in terms of histopathologic variables.

	Group 1 (n = 14)	Group 2 (n = 30)
Tumor pathology
Clear cell RCC, n (%)	9 (64.2)	11 (36.6)
Papillary RCC, n (%)	1 (7.1)	3 (10)
Chromophobe RCC, n (%)	2 (14.2)	5 (16.6)
Oncocytoma, n (%)	0 (0)	4 (13.3)
Angiomyolipoma, n (%)	1 (7.1)	3 (10)
Others, n (%)	1 (7.1)	4 (13.3)
Tumor T stage
T1a, n (%)	8 (57.1)	15 (50)
T1b, n (%)	3 (21.4)	3 (10)
T2, n (%)	1 (7.1)	1 (3.3)
Benign, n (%)	2 (14.2)	11 (36.6)
Positive surgical margins, n (%)	0 (0)	0 (0)