Dr. Rishan T S

Radiation Oncologist

Dr. Rishan T S

Consultant

10+ years of experience

MBBS, MD
Gleneagles Global Hospital, Chennai - India

Book Your Appointment with Dr. Rishan T S

Share your details and our medical team will get back to you

    Treatments & Conditions Dr. Rishan T S Specializes In

    Click on any treatment to chat with our specialists on WhatsApp

    Areas of Expertise

    Dr. Rishan T S

    Major Conditions Treated

    • Head & Neck Cancers (Oral, Tongue, Larynx, Pharynx, Nasopharynx)
    • Gastrointestinal (GI) Cancers (Oesophagus, Stomach, Colon, Rectum, Liver, Pancreas)
    • Breast Cancer
    • Lung Cancer
    • Gynaecological Cancers (Cervical, Endometrial, Ovarian)
    • Genitourinary (GU) Cancers (Prostate, Bladder, Kidney)
    • Brain Tumours
    • Spine Tumours
    • Lymphomas
    • Solid Tumours
    • Bone Metastases / Palliative Radiation
    • Soft Tissue Sarcomas
    • Pediatric Tumours

    Sub-specialties

    • High-Precision External Beam Radiation: IMRT, IGRT, VMAT and SBRT for head & neck, GI, breast, lung, gynaec, GU and CNS cancers — sought after as a leading radiation oncologist in Chennai, India for high-precision radiotherapy.
    • Brachytherapy & Motion Management: HDR and LDR brachytherapy, plus motion management techniques for moving targets — relevant for international patients researching the best radiation oncologist doctor in India.
    • Proton Beam Therapy & Palliative Care: Image-guided pencil beam scanning proton beam therapy training and Essentials in Palliative Care.

    Advanced Procedures & Treatments

    • Intensity Modulated Radiation Therapy (IMRT)
    • Image-Guided Radiation Therapy (IGRT)
    • Volumetric Modulated Arc Therapy (VMAT)
    • Stereotactic Body Radiation Therapy (SBRT)
    • Stereotactic Radiosurgery (SRS)
    • Motion Management Radiotherapy
    • High Dose Rate (HDR) Brachytherapy
    • Low Dose Rate (LDR) Brachytherapy
    • Concurrent Chemoradiation
    • Whole Brain Radiation Therapy (WBRT)
    • Palliative Radiation Therapy
    • Radiation Planning
    • Multidisciplinary Tumour Board Participation
    • Pencil Beam Scanning Proton Beam Therapy (Trained)

    Qualifications & Credentials

    Medical Degrees

    • MBBS — K.A.P. Viswanatham Government Medical College, Trichy, Tamil Nadu, India
    • MD (Radiation Oncology) — Cancer Institute (WIA), Adyar, Chennai, Tamil Nadu, India

    Fellowships & Special Training

    • Essentials in Palliative Care — India
    • Specialised training in modern image-guided pencil beam scanning Proton Beam Therapy — Apollo Proton Cancer Centre, Chennai, India
    • Specialised training in Intensity Modulated Radiation Therapy (IMRT)
    • Specialised training in Image-Guided Radiation Therapy (IGRT)
    • Specialised training in Volumetric Modulated Arc Therapy (VMAT)
    • Specialised training in Stereotactic Body Radiation Therapy (SBRT)
    • Specialised training in Motion Management
    • Specialised training in High Dose Rate (HDR) and Low Dose Rate (LDR) Brachytherapy

    Certifications & Accreditations

    • Tamil Nadu Medical Council Registration
    • MD (Radiation Oncology) — Cancer Institute (WIA), Adyar (Recognised Specialist Qualification)
    • Essentials in Palliative Care
    • Member — Association of Radiation Oncologists of India (AROI)
    • Member — European Society for Medical Oncology (ESMO)

    Professional Experience

    Current Affiliation

    • Gleneagles Global Health City / Gleneagles Global Hospital, 439, Cheran Nagar, Medavakkam Road, Perumbakkam, Chennai 600100, Tamil Nadu, India — Consultant Radiation Oncologist (Present)

    Past Affiliations

    • Cancer Institute (WIA), Adyar, Chennai, Tamil Nadu, India — Assistant Professor (Past)
    • Apollo Proton Cancer Centre, Chennai, Tamil Nadu, India — Trainee in Image-Guided Pencil Beam Scanning Proton Beam Therapy (Past)
    • Cancer Institute (WIA), Adyar, Chennai, Tamil Nadu, India — MD (Radiation Oncology) Trainee (Past)
    • K.A.P. Viswanatham Government Medical College, Trichy, Tamil Nadu, India — MBBS (Past)

    Academic & Research Roles

    • Mentor for postgraduates pursuing DNB course at Gleneagles Global Health City, Chennai
    • Peer reviewer in leading radiation oncology journals
    • Author of various articles in reputed radiation oncology journals
    • Author of various book chapters in radiation oncology
    • Speaker at national and regional radiation oncology conferences
    • Former Assistant Professor at Cancer Institute (WIA), Adyar, Chennai

    Key Achievements

    • 10+ years of clinical experience in radiation oncology
    • 97% patient ratings with 99% recommendation rate
    • Trained in modern image-guided pencil beam scanning proton beam therapy at Apollo Proton Cancer Centre
    • MD (Radiation Oncology) from the prestigious Cancer Institute (WIA), Adyar, Chennai
    • Mentor for DNB postgraduates at Gleneagles Global Health City, Chennai
    • Peer reviewer in leading radiation oncology journals; author of various book chapters

    Related Doctors

    View All →
    Dr C. Chinnaswami

    Dr C. Chinnaswami

    Urologist and Renal Transplant Specialist
    Vijaya Hospital, Chennai - India
    Dr. N. Ragavan

    Dr. N. Ragavan

    Endourologist, Urologist, Urologist and Andrologist, Urologist and Renal Transplant Specialist
    Apollo Hospitals, Greams Road, Chennai - India

    Your Journey From Home to Recovery

    Seamless, transparent care for international patients — we handle everything for you.

    Step 01

    Share Details

    Submit reports & medical queries securely.

    Step 02

    Plan & Cost

    Get transparent treatment estimate.

    Step 03

    Travel Support

    Visa assistance, stay & airport pickup.

    Step 04

    Treatment & Care

    Full recovery support & follow-up.

    Dedicated Patient Manager

    Available 24/7 for your queries and support

    Start Your Journey

    Explore More Insights

    View All →

    Explore Related Conditions

    Explore Treatment Options

    Explore Top Doctors By Department

    Get expert guidance instantly

    Chat Now

    Talk to a Specialist

    Share a few details and our medical team gets back to you within 4 hours with the next steps.

      ✨ YOUR MEDICAL TRAVEL PARTNER

      Find the Right Care for Your Condition

      Tell us what you are facing and our medical team will guide you to the right doctors, hospitals and treatment.

      Free Review, No Commitment

      Free assessment with no pressure to proceed.

      👥

      Trusted by 100,000+ Patients

      Across 125+ countries worldwide

      🏥

      500+ Top Partner Hospitals

      Globally accredited medical facilities

      👨‍⚕️

      5000+ Expert Specialists

      Senior doctors across major specialties.

      Our Impact So Far

      Making quality healthcare accessible to patients worldwide

      5000+
      Specialists
      500+
      Partner Hospitals
      100,000+
      Patients Served
      24/7
      Support

      What Our Patients Say

      ★★★★★

      " So thankful to Cancer Rounds and Dr. Gaurav Dixit. Your care and support helped me heal and regain strength during my lymphoma treatment."

      O
      Ms. Octavie
      Vanuatu
      ★★★★★

      " I’m so grateful to Cancer Rounds and the doctors at Fortis Noida. Your support gave me strength during my cancer treatment."

      M
      Ms. Musonda Mkandawire
      Zambia
      ★★★★★

      " A heartfelt thank you to Dr. Hari Goyal and Cancer Rounds for helping me fight cancer with strength and dignity."

      E
      Mr. Edward
      Nigeria
      ★★★★★

      " Deep thanks to Vaidam Health and the wonderful doctors who cared for my mom. You gave us peace and support when we needed it most."

      S
      Ms. Suman
      ★★★★★

      " Forever grateful to Cancer Rounds and Dr. Priya Tiwari for supporting me through chemo. Your care means everything."

      M
      Ms. Meliana
      Vanuatu
      ★★★★★

      " So grateful to Cancer Rounds and Dr. Sudip Raina for helping me through my breast cancer journey. I'm healing, hopeful, and feeling like myself again!"

      M
      Ms. Mimmie
      Namibia
      ★★★★★

      " Big thanks to Cancer Rounds and Dr. Rahul Bhargava for helping me beat Multiple Myeloma. Feeling stronger and hopeful every day!"

      H
      Mr. Hukum Singh
      India
      ★★★★★

      " Grateful to Cancer Rounds and Dr. Rahul Bhargava for helping me fight Multiple Myeloma with strength, hope, and the right care."

      K
      Mr. Kanwaldeep Singh
      India
      ★★★★★

      " I was scared and uncertain, but Cancer Rounds helped me find answers. Thanks to their support and Dr. Arun Behl’s care in India, I found peace of mind—no cancer. Forever grateful for the kindness and clarity I received."

      R
      Ms. Rufine
      Congo
      ★★★★★

      " Thank you Cancer Rounds and Dr. Deepak Jha for your support and care during my breast cancer journey. I'm healing with hope because of you. "

      L
      Ms. Leimala Alfred
      Vanuatu

      Common Questions About Our Services

      Everything you need to know about choosing the right hospital, doctor and treatment plan.

      Book Appointment WhatsApp

      Thank You!

      We have received your details. Our medical team will get back to you shortly.