Radiofrequency Ablation Multicenter Observational Study in Renal Oncology Patients

Patient selection criteria will be those typically established by each participating center t with T1a primary renal tumors for which a Multidisciplinary Tumor Board has indicated as candidates for treatment with radiofrequency ablation.I

Inclusion criteria

• Age ≥18 years
• Signed informed consent approved by the Ethics Committee prior to the ablation procedure.
• RCC in stage T1a (size <4 cm), single or multiple, histologically demonstrated by percutaneous biopsy before or within 30 days prior to ablation
• Absence of comorbidities that contraindicate treatment
• Eastern Cooperative Oncology Group Performance Status (ECOG PS) 0-2 at baseline screening.

Exclusion criteria

• No specific exclusion criteria are established for this clinical registry due to its observational nature. Each center will apply its own criteria according to its routine clinical practice.