Urinary unidiversion permits the possibility of enhancing the quality of life and probably the survivorship of previously diverted patients. A modification of this technique is described which utilizes Brickne's loop and a segment of the sigmoid to create a low pressure bladder, thus sparing more intestine. The good result achieved with this technique is underscored. In our view, urinary undiversion must meet the following two conditions: to enhance patient quality of life and not to deteriorate renal function .