The objective of this study is to understand how patients make decisions about treating their kidney masses, and to identify key values and preferences for treating their kidney masses. The study team will develop a decision aid (DA) using the decision-analytic model to communicate personalized benefit/harm estimates to patients and promote patient-centered treatment of renal tumors.

Inclusion Criteria:

• Male and female post-op and pre-op patients, ages 18 and older, diagnosed with a localized renal tumor up to 4 cm in diameter.
• Patients scheduled for standard-of-care clinical exams with the NYU Urology Department

Exclusion Criteria:

• Stage IV cancer of any type
• Inability to provide informed consent
• Vulnerable subjects will not be recruited

Individual participant data that underlie the results reported in this article, after deidentification (text, tables, figures, and appendices) will be shared upon reasonable request.

Beginning 9 months and ending 36 months following article publication or as required by a condition of awards and agreements supporting the research.

The investigator who proposed to use the data upon reasonable request. Requests should be directed to stella.kang@nyulangone.org. To gain access, data requestors will need to sign a data access agreement.