Fig. 1.

Flow diagram depicting the screening process for living-related kidney donation at St. Michael’s Hospital. *Patients with incidental, asymptomatic stones <5 mm on imaging are eligible only if >30 years old, normal metabolic workup and no recurrent stones. **Patients with a body mass index >35 are allowed to proceed to computerized tomographic angiograph only if a weight-loss plan is ongoing and successful. ***Blood type incompatible pairs can be considered for the national paired exchange program.