Early-Onset Colorectal Cancer Group

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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 1-3 out of 3 doctors available

Last Name Initial: R

  1. Francisco C. Ramirez, M.D.

    Francisco C. Ramirez, M.D.

    1. Internist
    2. Gastroenterologist
    1. Phoenix, AZ
    Areas of focus:

    Upper endoscopy, Colon cancer

  2. Charles Ritchie, M.D.

    Charles Ritchie, M.D.

    1. Radiologist
    2. Interventional Radiologist
    1. Jacksonville, FL
    Areas of focus:

    Ablation therapy, Radiation therapy, Balloon pulmonary angioplasty, Prostate artery embolization, Pulmonary angiogram, ...Thrombectomy, Thrombolysis, Venous thrombolysis, Venous angioplasty, Embolization therapy, Portal hypertension management, Hepatic artery infusion pump chemotherapy, Percutaneous ablation, IVC filter removal, Lymphangiogram, Thoracic duct embolization, Lung tumor ablation, Percutaneous renal intervention, Thoracic outlet syndrome, Benign prostatic hyperplasia, Colon cancer, Portal hypertension, Melanoma, Pulmonary hypertension, Pulmonary embolism, Pulmonary arteriovenous malformation, Chronic pulmonary thromboembolism, Chylothorax, Lung tumor, Chylous ascites, Chylous effusion

  3. William G. Rule, M.D.

    William G. Rule, M.D.

    1. Radiation Oncologist
    1. Phoenix, AZ
    Areas of focus:

    Intraoperative radiation therapy, Proton therapy, Radiation therapy, Intensity-modulated radiation therapy, Stereotacti...c body radiotherapy, Neuroendocrine tumor, Colon cancer, Rectal cancer, Anal cancer, Pancreatic cancer, Esophageal cancer, Cholangiocarcinoma, Liver cancer, Stomach cancer, Pancreatic neuroendocrine tumor, Small bowel cancer, Multiple myeloma, Lymphoma, Leukemia

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June 17, 2025

Early-Onset Colorectal Cancer Group

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