Table 1: Mid- to long-term results of cryoablation (CA) and radiofrequency (RF), and one group compared the results between radiofrequency and partial nephrectomy (PN).

Method Approach RCC numbers Mean followup (months) Local recurrence Relapse free survival Cancer specific survival McDougal et al. [6] RF P 20 55 1 94% 100% Levinson et al. [7] RF P 18 62 3 81% 100% Tracy et al. [8] RF P, L, O 53 53 5 91% 99% Davol et al. [9] CA L, O 34 64 5 84% 100% Weld et al. [10] CA L 22 46 0 100% 100% Aron et al. [11] CA L 55 95 7 87% 89% Guazzoni et al. [12] CA L 44 61 0 100% 100% Beemster et al. [13] CA L 51 30 3 94.4% 100% Olweny et al. [14] RF P, L 37 78 3 91.7% 97.2% PN L, O 37 73 3 94.6% 100%

RCC: renal cell carcinoma; RF: radiofrequency; CA: cryoablation; P: percutaneous; L: laparoscopy; O: open; PN: partial nephrectomy.