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Dr. Siriroj Chanthachaiwat

Surgical Oncologist

Dr. Siriroj Chanthachaiwat

Senior Consultant

38+ years of experience

Fellowship, MD
Ramkhamhaeng Hospital, Bangkok - Thailand

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    Treatments & Conditions Dr. Siriroj Chanthachaiwat Specializes In

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    Head and Neck Cancer Breast Cancer

    Areas of Expertise

    Dr. Siriroj Chanthachaiwat

    Major Conditions Treated

    • Breast Cancer
    • Colon Cancer & Colorectal Cancer
    • Gastric & Oesophageal Cancer
    • Hepatobiliary Cancer
    • Thyroid Cancer & Endocrine Tumours
    • Soft Tissue Sarcoma
    • Skin Cancer (Surgical)
    • Salivary Gland Tumours
    • Complex Cancer Surgery
    • General Surgical Oncology

    Sub-specialties

    • Senior Surgical Oncology: Four decades of expertise in oncologic resection — a trusted surgical oncologist specialist in Bangkok, Thailand for international patients seeking experienced senior surgical guidance.
    • Laparoscopic Surgery: Minimally invasive techniques for cancer and general surgery.
    • General Surgical Oncology: Decades of expertise across breast, colorectal, hepatobiliary, gastric, and thyroid oncology.

    Advanced Procedures & Treatments

    • Day Care General Surgeries
    • Laparoscopic Cancer Surgery
    • Mastectomy & Lumpectomy
    • Sentinel Lymph Node Biopsy
    • Colorectal Cancer Surgery
    • Gastric Cancer Resection
    • Thyroidectomy
    • Soft Tissue Tumour Excision
    • Multidisciplinary Tumour Board Coordination

    Qualifications & Credentials

    Medical Degrees

    • Doctor of Medicine (MD) — Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand, 1983
    • Specialty training in General Surgery and Surgical Oncology — Thailand

    Fellowships & Special Training

    • Observer Fellowship — Memorial Sloan Kettering Cancer Center, New York, USA
    • Fellowship — Virginia Mason Medical Centre, Seattle, Washington, USA
    • Continuing medical education in laparoscopic surgical oncology

    Certifications & Accreditations

    • Thai Medical Council Registration
    • Board of General Surgery — Thailand
    • Royal College of Surgeons of Thailand — Senior Member
    • Association of Surgical Oncologists — Senior Member

    Professional Experience

    Current Affiliation

    • Ramkhamhaeng Hospital, Bangkok, Thailand — Senior Consultant Surgical Oncologist, Present

    Past Affiliations

    • Memorial Sloan Kettering Cancer Center, New York, USA — Observer Fellow
    • Virginia Mason Medical Centre, Seattle, WA, USA — Fellow
    • Chulalongkorn University, Bangkok, Thailand — Medical Trainee (MD 1983)

    Academic & Research Roles

    • Senior clinical mentor in surgical oncology
    • Continuing medical education contributor in laparoscopic cancer surgery
    • Long-standing teacher of younger surgical trainees

    Key Achievements

    • 40+ years of clinical experience in surgical oncology
    • International training at Memorial Sloan Kettering Cancer Center, USA and Virginia Mason Medical Centre, USA
    • Multilingual practitioner serving international patients (Chinese, Japanese, English, Thai)
    • Senior leader in laparoscopic and oncologic surgery

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    May 22, 2025

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