Departments and specialties

Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery.

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Displaying 1-4 out of 4 doctors available

Last Name Initial: S

  1. Sherief F. Shawki, M.B., B.Ch., M.D.

    Sherief F. Shawki, M.B., B.Ch., M.D.

    1. Colon and Rectal Surgeon
    1. Rochester, MN
    Areas of focus:

    Robotic surgery, Minimally invasive surgery, Laparoscopic surgery, Transanal endoscopic microsurgery, Colostomy, Ileal ...conduit management, Colorectal surgery, Colon cancer surgery, Rectal cancer surgery, Ulcerative colitis, Inflammatory bowel disease, Crohn's disease, Colon cancer, Rectal cancer, Recurrent cancer, Pouchitis

  2. Rory L. Smoot, M.D.

    Rory L. Smoot, M.D.

    1. Surgical Oncologist
    2. Hepatobiliary and Pancreas Surgeon
    1. Rochester, MN
    Areas of focus:

    Cancer treatment, Minimally invasive surgery, Radiofrequency ablation for cancer, Cryoablation for cancer, Laparoscopic... surgery, Cholecystectomy, Splenectomy, Hepatobiliary disease evaluation, Hepatobiliary disease postoperative care, Whipple procedure, Soft tissue sarcoma surgery, Small bowel resection, Paracentesis, Minimally invasive liver surgery, Minimally invasive pancreas surgery, Pancreatectomy, Liver resection, Liver tumor ablation, Liver cyst removal, Portal hypertension management, Pancreatic enucleation, Minimally invasive intestinal surgery, Soft tissue tumor ablation, Gastrectomy, Irreversible electroporation, Liver cyst fenestration, Microwave ablation for cancer, Bile duct resection, Bile duct stone removal, Rectal cancer surgery, Carcinoid tumor, Soft tissue sarcoma, Recurrent cancer, Pancreatic cancer, Cholangiocarcinoma, Liver cancer, Stomach cancer, Pancreatic neuroendocrine tumor, Hepatocellular carcinoma, Gallbladder cancer, Pancreatitis, Gastrointestinal stromal tumor, Small bowel cancer, IPMN, Pancreatic cyst, Ampullary cancer, Bile duct stone, Bile duct stricture, Immune thrombocytopenia, Sarcoma, Enlarged spleen, Retroperitoneal sarcoma, Biliary obstruction, Gallbladder polyp, Hilar cholangiocarcinoma, Peritoneal cancer, Appendix cancer, Liver cyst, Bile duct cyst, Bile duct injury, Duodenal cancer, Stage 4 colorectal cancer, Liver tumor, Liver hemangioma, Polycystic liver disease

  3. Patrick P. Starlinger, M.D., Ph.D.

    Patrick P. Starlinger, M.D., Ph.D.

    1. Colon and Rectal Surgeon
    2. Surgical Oncologist
    3. Hepatobiliary and Pancreas Surgeon
    4. Transplant Surgeon
    1. Rochester, MN
    Areas of focus:

    Cancer treatment, Robotic surgery, Laparoscopic surgery, Living donor liver transplant, Cholecystectomy, Whipple proced...ure, Soft tissue sarcoma surgery, Colorectal surgery, Pancreatectomy, Liver resection, Liver tumor ablation, Portal hypertension management, Pancreatic enucleation, Gastrectomy, Laparoscopic distal pancreatectomy , Bile duct resection, Bile duct stone removal, Laparoscopic splenectomy, Cytoreductive hepatectomy, Extended hepatectomy, Extended hepatectomy with vascular resection, Pancreatectomy with vascular resection, Extended hepatectomy with in situ cold perfusion, Laparoscopic hepatectomy, Laparoscopic microwave ablation, Laparoscopic pancreatectomy, Robotic pancreatectomy, Robotic hepatectomy, Robotic splenectomy, Rectal cancer surgery, Carcinoid tumor, Neuroendocrine tumor, Recurrent cancer, Pancreatic cancer, Cholangiocarcinoma, Portal hypertension, Liver cancer, Pancreatic neuroendocrine tumor, Hepatocellular carcinoma, Gallbladder cancer, Pancreatitis, Gastrointestinal stromal tumor, Small bowel cancer, IPMN, Pancreatic cyst, Ampullary cancer, Bile duct stone, Bile duct stricture, Immune thrombocytopenia, Retroperitoneal sarcoma, Gallbladder polyp, Hilar cholangiocarcinoma, Peritoneal cancer, Liver cyst, Bile duct cyst, Bile duct injury, Duodenal cancer, Liver mass, Stage 4 colorectal cancer, Liver hemangioma, Polycystic liver disease, Liver abscess, Neuroendocrine liver metastasis, Locally advanced pancreatic cancer

  4. Luca Stocchi, M.D.

    Luca Stocchi, M.D.

    1. Colon and Rectal Surgeon
    2. General Surgeon
    1. Jacksonville, FL
    Areas of focus:

    Robotic surgery, Laparoscopic surgery, Colostomy, Colorectal surgery, Colon cancer surgery, Rectal cancer surgery, Canc...er, Ulcerative colitis, Inflammatory bowel disease, Crohn's disease, Colon cancer, Rectal cancer, Anal fistula

Research

Designated as a comprehensive cancer center by the National Cancer Institute, Mayo Clinic Comprehensive Cancer Center is defining new boundaries in rectal cancer research.

Areas of research include:

  • Personalized cell therapy. The goal of this study is to build a library of rectal cancer cells taken from patients, which can be used to develop more-personalized treatment strategies.
  • Robotic versus laparoscopic surgery. This study compares robotic and conventional laparoscopic surgery for rectal cancer by assessing how each approach affects bowel, urinary and sexual function after surgery.
  • Presurgery treatment. This study compares two treatments for rectal cancer before surgery — standard chemotherapy with radiation versus chemotherapy alone — to see which works better and causes fewer side effects.

Publications

See a list of publications about rectal cancer by Mayo Clinic doctors on PubMed, a service of the National Library of Medicine.

Research Profiles

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Aug. 13, 2025
  1. Clark S, et al., eds. Surgery for rectal cancer. In: Colorectal Surgery: A Companion to Specialist Surgical Practice. 7th ed. Elsevier; 2024. https://www.clinicalkey.com. Accessed July 23, 2025.
  2. Cameron JL, et al., eds. Management of rectal cancer. In: Current Surgical Therapy. 14th ed. Elsevier; 2023. https://www.clinicalkey.com. Accessed July 23, 2025.
  3. Rectal cancer treatment (PDQ) — Health professional version. National Cancer Institute. https://www.cancer.gov/types/colorectal/hp/rectal-treatment-pdq. Accessed July 23, 2025.
  4. Irani JL, et al. Clinical practice guidelines for enhanced recovery after colon and rectal surgery from the American Society of Colon and Rectal Surgeons and the Society of American Gastrointestinal and Endoscopic Surgeons. Surgical Endoscopy. 2023; doi:10.1007/s00464-022-09758-x.
  5. Langenfeld SJ, et al. The American Society of Colon and Rectal Surgeons clinical practice guidelines for the management of rectal cancer 2023 supplement. Diseases of the Colon and Rectum. 2024; doi:10.1097/DCR.0000000000003057.
  6. Rectal cancer. National Comprehensive Cancer Network. https://www.nccn.org/guidelines/guidelines-detail?category=1&id=1461. Accessed June 30, 2025.
  7. ACR appropriateness criteria: Staging and disease monitoring of rectal cancer. American College of Radiology. https://acsearch.acr.org/docs/3195870/Narrative. Accessed June 30, 2025.
  8. Donovan KF, et al. Transanal total mesorectal excision for rectal cancer. Advances in Surgery. 2025; doi:10.1016/j.yasu.2025.04.004.0065-3411/25.
  9. Dowli A, et al. Primary colorectal cancer. Surgery Oncology Clinics of North America. 2023; doi:10.1016/j.soc.2022.08.002.
  10. Donohue K, et al. Local excision for early-stage rectal adenocarcinomas. Cancer Journal. 2024; doi:10.1097/PPO.0000000000000734.
  11. Bleday R, et al. Surgical treatment of rectal cancer. https://www.uptodate.com/contents/search. Accessed June 30, 2025.
  12. Surgery for rectal cancer. American Cancer Society. https://www.cancer.org/cancer/types/colon-rectal-cancer/treating/rectal-surgery.html. Accessed July 23, 2025.
  13. Semanjski K, et al. Current surgical methods in local rectal excision. Gastrointestinal Tumors. 2024; doi:10.1159/000538958.
  14. Types of surgery for rectal cancer. Cancer Research UK. https://www.cancerresearchuk.org/about-cancer/bowel-cancer/treatment/treatment-rectal/surgery-rectal/types-surgery-rectal. Accessed July 23, 2025.
  15. Health Education & Content Services. Colon and rectal cancer. Mayo Clinic; 2023.
  16. Health Education & Content Services. Combination treatment for advanced rectal cancer. Mayo Clinic; 2023.
  17. Cameron JL, et al., eds. Surgical management of the polyposis syndromes. In: Current Surgical Therapy. 14th ed. Elsevier; 2023. https://www.clinicalkey.com. Accessed July 23, 2025.
  18. Ahmad SA, et al., eds. Inherited colorectal cancer and the genetics of colorectal cancer. In: Shackelford's Surgery of the Alimentary Tract. 9th ed. Elsevier; 2026. https://www.clinicalkey.com. Accessed July 23, 2025.
  19. You NY, et al. The American Society of Colon and Rectal Surgeons clinical practice guidelines for the management of rectal cancer. Diseases of the Colon and Rectum. 2020; doi:10.1097/DCR.0000000000001762.
  20. Harris KM. Allscripts EPSi. Mayo Clinic. July 29, 2025.
  21. Medical review (expert opinion). Mayo Clinic. July 30, 2025.