Inclusion Criteria:

A) Recipient:

- Patients who are suffering from renal failure and are willing to receive a restored
kidney from a family member

- Patients who are eligible for general anesthesia

- Patients who have given written informed consent to participate in the study

B) Donor:

- Potential donors who are incidentally diagnosed with small renal tumor (size: <4 cm)
or renal stone, ureteral tumor or ureteral stricture and have permitted to transplant
the kidney to a family member upon its surgical restoration

- Patients who are eligible for general anesthesia

- Patients who have given written informed consent to participate in the study

Exclusion Criteria:

A) Recipient:

- Patients who have infectious disease, hemorrhagic ulcer, or malignant cancer

- Patients who have serious vascular lesions (eg. arteriosclerosis, thromboembolic
disease) and are currently on treatment

- Patients who were disapproved by the Institutional Ethics Committee

B) Donor:

- Patients who have tested positive for serious infectious disease (eg. HIV, HBV, or
HCV)

- Patients who were diagnosed with malignant lymphoma or sarcoma

- Patients who were on chemotherapy or radiation therapy for renal cancer prior to the
nephrectomy

- Patients who were disapproved by the Institutional Ethics Committee

(*) Other inclusion/exclusion criteria defined in the protocol for both recipient and
donor may apply.