Table 5.

Patients who had RFA and developed distant recurrent disease after an interval with initial radiology confirmed complete ablation and metastasis free

Months to distant metastasis	Biopsy before RFA	Site and treatment of recurrence	Pathology after treatment	Follow-up
53.8	Grade 2RCC	Lung: active surveillance	N/A	Alive at 63.1 months
31.7	Grade 3 RCC	Lung and brain metastasis: palliative	N/A	Died at 43.3.months
21.5	Grade 4 RCC with sarcomatoid changes	Lung and liver metastasis: palliative	N/A	Died at 23 months
44.2	Grade 2 RCC	Lung: active surveillance	N/A	Alive at 50.9 months