The Delayed Intervention and Surveillance for Small Renal Masses (DISSRM) Registry

This trial is building a registry to study the outcomes of people who have a small kidney mass — a growth found on the kidney — to compare those who choose active monitoring (watching and waiting with regular scans) against those who choose surgery or other active treatments. The goal is to identify the safest and most effective approach for managing these small kidney growths that are often discovered accidentally during unrelated medical scans. **You may be eligible if...** - You are 18 years of age or older - A small, solid kidney mass (4 cm or less at its widest point) was found incidentally (by accident) on an imaging scan in the last 6 months - The mass shows signs of enhancement on imaging, suggesting it may be a tumor - You are willing to follow the monitoring schedule and time requirements of the study **You may NOT be eligible if...** - There is a concern that the kidney mass could be a spread from another cancer that was diagnosed within the past 2 years Talk to your doctor to see if this trial is right for you.