Abstract
Metastatic RCC has a variable natural history. Treatment choice depends on disease and patient factors, but most importantly disease burden and site of metastasis. This article highlights key variables to consider when contemplating metastasectomy for RCC and provide a narrative review on the evidence for metastasectomy in these patients. Tumour subtype is associated with differing patterns of recurrence. Patients with single or few metastatic sites have better outcomes, and those with greater time interval from initial nephrectomy. Local recurrence is particularly amenable to minimally invasive surgical resection and is oncologically sound. Very well selected cases of liver or brain metastases may benefit from metastectomy, although lung and endocrine metastases have more favourable outcomes. Although site and burden of disease is important, the key determinate of outcome in metastasectomy depends mostly on the ability to achieve a complete resection. Adjuvant treatment is not currently advocated. Metastasectomy should be generally reserved for cases where complete resection is achievable, unless the goal of treatment is to palliate symptoms. This field warrants ongoing research, particularly as systemic therapy and minimally invasive surgical techniques evolve. Elucidating tumour biology to inform patient selection will be important in future research.
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