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Surgical Oncology

Our surgical oncologists, along with medical oncologists, radiation oncologists, pathologists, radiologists, genetic counselors and oncology nurse navigators at Fort Sanders Regional and Thompson Cancer Survival Center work closely together to develop a personal treatment plan for each patient.

Surgical oncologists manage patient care from diagnosis to post-operative care in the following sites:

  • Gastrointestinal
  • Pancreas: Biliary and pancreatic cancers
  • Liver: Primary and metastatic liver cancers
  • Skin Cancer: Melanoma (advanced skin cancers), Sarcoma and soft tissue tumors, Basal cell carcinoma, Squamous cell carcinoma
  • Breast Cancer: Breast conservation, Skin-sparing techniques for breast reconstruction
  • Colon and rectal cancer: Evaluation and treatment of colon cancer
  • Sentinel lymph node mapping and biopsy
  • Lymph node dissections
  • Surgical treatment of recurrent and metastatic disease
  • Laparoscopic resection
  • Complex resections
  • Sphincter preservation techniques
  • Laparoscopic Radiofrequency Ablation (RFA)
  • Multidisciplinary management

Meet our Team

Sung G. Lee, M.D.

Board Certified: General Surgery
Areas of Expertise include:
  • Colon and Rectal Cancer
  • Inflammatory Bowel Disease (Crohn’s and Ulcerative Colitis)
  • Minimally Invasive surgery utilizing Da Vinci Robotic Surgery and Laparoscopic Surgery
  • Anorectal Surgery
  • Complex Diverticular disease
  • Inherited syndromes of Colon and Rectalcancer
  • Anal Cancer
  • Anal Intraepithelial Neoplasia (AIN)Surveillance
  • Surgical treatment of Hemorrhoids
  • Complex Anorectal Fistula
  • Anal Fissure
  • Anorectal Abscess
  • Colonic Inertia
  • Fecal Incontinence treatment with Sacralnerve stimulator
  • Rectal Prolapse
  • Pilonidal Disease

Gregory P. Midis, M.D., FACS

Board Certified: General Surgery, Colon and Rectal Surgery
Areas of Expertise include:
  • Colon and Rectal Cancer
  • Sphincter Preservation Techniques
  • Diverticulitis
  • Hepatobiliary Malignancies
  • Pancreatic Cancer
  • Treatment of Recurrent and Metastatic Cancer
  • Laparoscopic and Robotic Surgery
  • Complex Reoperative GI Surgery

David Roife, M.D.

Board Certified: General Surgery, Surgical Oncology
Areas of Expertise include:
  • Gastrointestinal cancer
  • Gastroesophageal cancer
  • Liver cancer
  • Pancreas cancer
  • Small bowel and colorectal cancer
  • Adrenal cancer
  • Soft tissue sarcoma
  • Basal and squamous cell skin cancer
  • Melanoma skin cancer
  • Robotic, laparoscopic, and endoscopic surgery

Ana Wilson, D.O.

Board Certified: General Surgery, Surgical Oncology
Areas of Expertise include:
  • Breast cancer
    • Sentinel lymph node mapping
    • Skin-sparing mastectomy
    • Oncoplastic breast conservation
    • Reverse lymphatic mapping
  • Melanoma, advanced skin cancers
    • Sentinel lymph node mapping and biopsy
    • Lymph node dissections
    • Surgical treatment of metastatic disease
    • Reconstruction with skin grafts and flaps
  • Sarcoma and soft tissue tumors
    • Multidisciplinary management
    • Limb preservation
  • Endocrine Disorders
    • Thyroidectomy
    • Minimally Invasive  Parathyroidectomy
    • Laparoscopic/Robotic Adrenalectomy


Patient Stories

  • “I’m Still Here”

    Brenda Chandler is thankful to the Fort Sanders Regional team for saving her life. After surgery to remove cancer earlier this year, she is feeling great.

  • Are You At Risk?

    In observance of National Lung Cancer Awareness Month in November, two physicians at Fort Sanders Regional discuss new technology for treating lung issues.

  • Excellent Care, Just Down the Road

    United States Vietnam Army Veteran Charles Barnett trusted Fort Sanders Regional Medical Center to help treat his colon cancer.

  • Surviving Breast Cancer: Early Detection is Key

    Finding breast cancer early when it’s small, has not spread and might be easier to treat can help prevent death. Early detection is key.

  • Double Punch

    Wilma Cason beat breast cancer twice with the help of Thompson Comprehensive Breast Center, a department of Fort Sanders Regional Medical Center.

  • Lather Up and Cover Up To Avoid Skin Cancer

    Grant Clark, MD, medical director of radiation oncology at Thompson Cancer Survival Center’s downtown clinic, provides advice on avoiding skin cancer.