John Stephen Ginn

External beam treatment planning for breast and lung cancer radiation therapy; Applications of MRI in radiation oncology; Machine learning for automatic segmentation and motion management during radiation therapy.

Current Appointments & Affiliations

Assistant Professor of Radiation Oncology · 2022 - Present Radiation Oncology, Clinical Science Departments

Member of the Duke Cancer Institute · 2023 - Present Duke Cancer Institute, Institutes and Centers

Recent Publications

A Radiogenomic Deep Ensemble Learning Model for Identifying Radionecrosis Following Brain Metastases (BM) Stereotactic Radiosurgery in Patients With Non-small Cell Lung Cancer BM.

Journal Article Adv Radiat Oncol · August 2025 PURPOSE: Stereotactic radiosurgery (SRS) is widely used for brain metastases (BM), but the risk of radionecrosis poses a challenge in post-SRS management. Given the lack of noninvasive imaging methods for distinguishing radionecrosis from recurrence, we ai ... Full text Link to item Cite

Feasibility of Stereotactic Body Radiation Therapy for Pancreatic Tumors Abutting Organs at Risk Using Magnetic Resonance Guided Adaptive Radiation Therapy.

Journal Article Int J Radiat Oncol Biol Phys · July 1, 2025 PURPOSE: Stereotactic body radiation therapy (SBRT) has historically been contraindicated in patients with tumors abutting gastrointestinal (GI) organs due to risk of toxicity. Adaptive magnetic resonance (MR) guided SBRT (MRgSBRT) is an increasingly used ... Full text Link to item Cite

Real-time 3D MR guided radiation therapy through orthogonal MR imaging and manifold learning.

Journal Article Med Phys · March 2025 BACKGROUND: In magnetic resonance image (MRI)-guided radiotherapy (MRgRT), 2D rapid imaging is commonly used to track moving targets with high temporal frequency to minimize gating latency. However, anatomical motion is not constrained to 2D, and a portion ... Full text Link to item Cite

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Education, Training & Certifications

University of California, Los Angeles · 2019 Ph.D.

University of California, Los Angeles · 2017 M.S.

Wheaton College · 2015 B.S.