Feasibility of conservative surgery for transitional cell cancer of the upper urinary tract.

The controversy between the proponents of radical surgery for treatment of transitional cell cancer of the upper urinary tract (total nephroureterectomy) and those of conservative surgery (segmental resection) continues. In an in-depth analysis of a large group of patients presented in this article, an attempt has been made to rationalize a conservative surgical treatment approach for certain upper-tract tumors.