Pathologist examines a slide near a microscope in the lab at Mayo Clinic

Graduate medical education in laboratory medicine and pathology at Mayo Clinic

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The one-year Gastrointestinal and Liver Pathology Fellowship at Mayo Clinic in Arizona offers exposure to a broad spectrum of biopsy material and surgical specimens relating to gastrointestinal and liver disease.

Mayo Clinic in Arizona has an annual volume of gastrointestinal and liver specimens that includes:

  • Over 14,500 gastrointestinal and liver specimens, including more than 1,200 liver specimens with extensive exposure to liver transplant pathology
  • A large-volume surgical practice with broad exposure to resected gastrointestinal, pancreatic, biliary, and liver cancers

The fellowship combines diagnostic training with opportunities for research projects. There are also extensive opportunities for interactions with clinical colleagues in the form of working conferences (reviewing and discussing material from active patients), teaching conferences (explaining pathology to clinicians and clinical trainees), and attendance at clinical conferences.

The curriculum of this one-year fellowship is uniquely designed to fulfill this mission.


hospital in Arizona for 11 consecutive years (U.S. News, 2023-2024)


nationally-ranked adult specialties at Mayo Clinic in Arizona (U.S. News, 2023-2024)


gastroenterology & GI surgery hospital (U.S. News, 2023-2024)

Video: The Arizona Experience


Video: The Arizona Experience


The program has been granted initial accreditation status by the Accreditation Council for Graduate Medical Education (ACGME). The review for accreditation approval is April 2023.

Program history

The Gastrointestinal and Liver Pathology Fellowship at Mayo Clinic's campus in Arizona began in 2022 under the directorship of Rish Pai, M.D, PhD. It is anticipated that one fellow will complete training in this program annually.

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