Inclusion Criteria:

1. Recipient:

- Patients who are on dialysis and are willing to receive a restored kidney from a
third party

- Patients who are eligible for general anesthesia

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

2. Donor:

- Patients who have small tumor (size: <4 cm) in the kidney and have chosen total
nephrectomy among all the available treatment options and have permitted to
transplant the nephrectomized kidney to a third party 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:

1. 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

2. 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.