The increasing use of CT scans in routine follow up of patients has led to earlier diagnosis of isolated and/or subclinical lung nodules and there has been widespread adoption of pulmonary metastasectomy in selected cases. A survey of practice in Europe showed that pulmonary metastasectomy is very commonly performed but criteria vary widely. About 300 such operations were being carried out annually in the UK when PulMiCC opened as a 'feasibility' study.