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Patient receiving radiation therapy with laser alignment beams in a cancer treatment room.

Radiation Oncology

At Stony Brook Cancer Center, our Radiation Oncology team combines cutting-edge technology with compassionate care to provide precise, effective cancer treatments. We specialize in highly targeted radiation therapy, designed to treat cancer while minimizing side effects.

Why Choose Stony Brook for Radiation Oncology?

  • Multidisciplinary Expertise: Our radiation oncologists collaborate with a dedicated team of physicists, dosimetrists, radiation therapists, nurses, and other specialists to deliver seamless, high-quality care.
     
  • State-of-the-Art Technology: We invest in the latest radiation technologies and advanced treatment planning systems to ensure accurate, efficient and effective therapies tailored to each patient.
     
  • Patient-Centered Care: We actively involve you and your family in every step of the treatment process, ensuring your questions are answered and decisions are made collaboratively.

Advanced Treatment Options

Patient speaking with medical staff in a radiation oncology treatment room.

We offer a range of innovative radiation therapy techniques based on your cancer type and individual needs, including:

  • External Radiation: Delivered with precision clinical linear accelerators.
     
  • Internal Radiation (Brachytherapy): Includes specialized therapies like HDR prostate, vaginal cylinder, and tandem brachytherapy.
     
  • Radionuclide Therapies: Administered orally or intravenously for targeted treatment.

Your Care Team

Throughout your care, we ensure your referring physician and other oncologists stay informed, working together to support the best treatment outcomes for you. Our team’s expertise and coordination minimize wait times and maximize efficiency, allowing you to focus on healing. Learn more about our radiation oncology team.

Learn More About Radiation Oncology

Explore our full range of radiation oncology services and see how our innovative therapies can benefit you or your loved one. Learn more about our services.

Welcome from the Chairman

Samuel Ryu

Samuel Ryu, MD

Chair, Department of Radiation Oncology
Deputy Director, Clinical Affairs, Stony Brook Cancer Center

Welcome to the Department of Radiation Oncology at Stony Brook University Hospital. Our mission is to provide the highest quality of compassionate cancer care through advanced knowledge and cutting-edge technology. We are committed to delivering a world-class cancer program that blends academic excellence with innovative research.

Our board-certified radiation oncologists bring extensive experience to patient care, working collaboratively within a multidisciplinary team. Partnered with Stony Brook Cancer Center and postgraduate training programs, we attract top talent nationally. Our department also offers exceptional programs in Radiation Physics and Medical Dosimetry, training future leaders and driving advancements in cancer therapy.

We utilize state-of-the-art radiation delivery platforms and image-guidance systems. However, it’s our skilled and dedicated Radiation Oncology team that ensures advanced treatments are delivered with precision under strict quality assurance protocols. Patient safety and compassionate care remain our top priorities in a streamlined, service-focused clinical environment.

Our success lies in clinical care, research, and education. Providing the highest quality care is our primary mission. Whether in the clinic, laboratory, or classroom, we are committed to shaping future leaders while delivering care you and your families can trust. We welcome your feedback and look forward to connecting with you.

Our expert multidisciplinary team includes:

  • Board-certified radiation oncologists
  • Nurses and care providers
  • Medical physicists and dosimetrists
  • Radiation therapists
  • Clinical care managers

Stony Brook's Quality Assurance committee and Office of Radiation Safety ensure we meet the highest standards of radiation safety.

Samuel Ryu, MD
Chair, Department of Radiation Oncology
Deputy Director, Clinical Affairs, Stony Brook Cancer Center

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