Tianjin Medical University Second Hospital

This study tests a new surgical method for removing large, branching kidney stones (staghorn calculi). It compares the new technique, which uses a flexible scope through the kidney, to the standard surgery. The goal is to see which method removes more stone fragments and causes f…

This study looks at whether removing a larger area of lymph nodes during kidney cancer surgery can prevent the cancer from returning and help patients live longer. About 220 adults with high-risk kidney cancer will be randomly assigned to get either the more extensive lymph node …