Microdiscectomy for treating lumbar disc protrusion.

recipients,24 but 46% of patients with other tumours die of their malignancy or because of organ rejection after withdrawal of immunosuppression to prevent spread of the tumour.4 Survival of transplant recipients with cancer is similar to that of those without tumours for the first eight years after transplantation but thereafter declines rapidly.'" Controlled multicentre studies (organised perhaps by the European Renal Association) are necessary to determine if tumours other than skin tumours occur more often in transplant recipients followed for at least five years. In the short term the risks seem small and do not detract from the benefits of successful transplantation, even in the elderly.