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We describe a unique case of a 53-year-old woman who underwent a nonrelated living donor kidney transplant 9 years after a previous small bowel transplant from her sister. The patient had suffered from short bowel syndrome secondary to volvulus after undergoing bariatric surgery for morbid obesity. Her entire small bowel had to be resected emergently, but she also developed acute kidney failure at the time. This initial kidney injury associated with long-term exposure to calcineurin-inhibitor medication eventually led to end-stage renal disease. A successful kidney transplant from a different, nonrelated adult donor was performed. Of note, the unrelated kidney donor matched exactly the 2 HLA-A and HLA-B antigens that the recipient had not matched with her sister. We discuss the unique HLA configuration between the patient and her 2 living donors, the absence of posttransplant rejection and posttransplant immunosuppressive therapy. To our knowledge this is the first published report of a successful kidney after a previous bowel transplant using (2 different) living donors. [ABSTRACT FROM AUTHOR]