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Dr Ashu Abhishek

Senior Consultant – Radiation Oncology

MBBS, MD (Radiotherapy)

Cancer (Oncology)

January 1, 2006

Top Areas of Expertise

  • Gastrointestinal (GI) Tumors
    • Hepatobiliary cancers (HCC, PVTT)
    • Pancreatic cancer
    • Esophageal cancer
    • Colon & anorectal cancers
    Precision Radiation Techniques
    • SBRT / SRS / SRT
    • IGRT / VMAT
    • CyberKnife SBRT
    Motion Management for tumors (Liver, Pancreas, Lung, Breast)

Top Treatments Offered

  • Proton Therapy
  • CyberKnife SBRT
  • Image-Guided Radiation Therapy (IGRT)
  • Volumetric Modulated Arc Therapy (VMAT)
  • Stereotactic Radiosurgery (SRS)
  • Advanced GI Tumor Radiotherapy

About Dr Ashu Abhishek

Dr. Ashu Abhishek is a leading radiation oncologist with over 15–20 years of experience, specializing in precision radiotherapy and gastrointestinal cancers. He is among the early clinicians in North India to implement CyberKnife SBRT and has extensive expertise in managing complex tumors using advanced motion management techniques. In addition to his clinical excellence, he has received international training grants and is also known for representing India in ultra-running events and promoting cancer awareness initiatives.

Educational Qualifications:

  • MBBS – University College of Medical Sciences (UCMS), New Delhi (2003)
  • MD (Radiotherapy) – Maulana Azad Medical College, Delhi University (2008)

Fellowship & Advanced Training:

  • Precision Radiotherapy Fellowship – Medanta The Medicity, Gurgaon (2011)
  • SBRT & Liver Radiotherapy Observership – Aarhus University, Denmark
  • Liver IGRT Training – Princess Margaret Hospital, Toronto, Canada
  • SBRT / CyberKnife Training – Beth Israel Hospital, Harvard University, USA
  • Full Body & CNS Radiosurgery Training – Sunnyvale, USA

Professional Experience:

  • Senior Consultant – Radiation Oncology, Apollo Proton Cancer Centre, Chennai
  • Additional Director & Unit Head – FMRI, Gurgaon (2018–2023)
  • Consultant – Radiation Oncology, Medanta Cancer Institute, Gurgaon (2010–2018)
  • Registrar – Artemis Health Institute, Gurgaon (2008–2009)

Awards and Achievements:

  • ESTRO TTG Mobility Grant – SBRT training (Denmark)
  • ESMO Perceptorship Grant – GI Tumors (Singapore)
  • LOQMAN Award (2019) – Healthcare innovation & fitness initiative
  • Among first teams to implement LINAC SBRT & VMAT in North India
  • Part of team for first prostate brachytherapy seed treatment in North India
  • Among early adopters of CyberKnife VSI SBRT across multiple tumor sites
  • Worked closely with transplant teams for advanced HCC with PVTT cases

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Patient Testimonials

how patients worldwide trust hospitals in India for expert medical care.
Kamalakannan S (Kamal)

Apollo Proton is the best hospital for cancer treatment. Very good team of doctors and Nurses. Very clean environment. World class facility. Appreciate Dr. Sandip Duarah and his team of doctors - Dr. Joseph Williams and Dr. Pavithra. They treated my mother's tongue cancer. They are very kind with patients.Very good parking facility. I strongly recommend Apollo Proton Hospital.

Venkatakrishnan nagarajan

I have done RARP surgery with Dr. Srivathsan, excellent doctor. Before surgery very well explained and given very good hope. Same way post surgery as per his guidance I recovered. Thanks to Dr. Srivathsan and team, also Apollo Proton staffs, Nurse and ward boys. Hygiene and caring in this hospital is outstanding.

kalifa Manneh

Excellent Hospital. Highly professional staff from Clinical to Non Clinical Team. Support staff also very helpful. International Medical Tourism service exceptional. Special thanks to Dr Sajan and Orthopedic Team. Great admission facility Good food. Good memories of Medical International mission to Chennai

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