Mini-Oral Presentation

Mini Oral Presentation 1A and 1B

Date:7 November 2025 (Friday)
Time:10:30 – 10:55
Venue:Foyer, Level 1
Mini Oral Presentation 1A (Clinical / Biology)

Judges: Amy Chang and Tae-hyun Kim
Time Abstract Title and Presenter
10:30 – 10:35 Investigation of Cases of Re-irradiation After Proton Therapy for Hepatocellular Carcinoma
(PTCOG-AO2025-ABS-0030)
Nobuyoshi Fukumitsu (Japan)
10:35 – 10:40 Clinical Implementation of Real-time Gated Proton Therapy Combined with Active Breathing Coordinator-assisted Deep Inspiration Breath Hold for Liver Cancer: A Case Report
(PTCOG-AO2025-ABS-0085)
Yeung-sum Wong (Hong Kong)
10:40 – 10:45 Dose-LET Volume Histogram Metrics in Breast Cancer Patients Undergoing Proton Therapy: A Single-center Analysis
(PTCOG-AO2025-ABS-0119)
Bin Yang (Hong Kong)
10:45 – 10:50 Evaluating the Impact of Robust Treatment Planning on Single-field Optimization (SFO) and Multi-field Optimization (MFO) Using Proton Therapy in Left-sided Breast Cancer with Internal Mammary Node Chain Involvement: A Pilot Study
(PTCOG-AO2025-ABS-0076)
Chun-lok Law (China)
10:50 – 10:55 Comparison of Setup Accuracy Between Two Immobilization Techniques for Proton Radiotherapy of Brain Tumors
(PTCOG-AO2025-ABS-0046)
Yangfan Zhang (China)

Mini Oral Presentation 1B (Physics)

Judges: Dong-ho Shin and Toshiyuki Toshito
Time Abstract Title and Presenter
10:30 – 10:35 Development of an In-house Dose Verification Software Utilizing Log Files and Opencl GPU Computing for Patient-specific Quality Assurance in Carbon-ion Radiotherpy
(PTCOG-AO2025-ABS-0042)
Fang-yi Lin (Taiwan)
10:35 – 10:40 A High-efficiency Film-less Implementation for Routine Winston-Lutz Test in a PBS Gantry Room
(PTCOG-AO2025-ABS-0130)
Yuchao Hu (China)
10:40 – 10:45 Configuring Monte Carlo-based Dose Calculation as a Precise Third-party Dose Verification Tool for Proton and Carbon Beam with Ripple Filter
(PTCOG-AO2025-ABS-0057)
Rongcheng Han (China)
10:45 – 10:50 Deep Learning-based 4DCT Registration and Carbon-ion 4D Dose Calculation
(PTCOG-AO2025-ABS-0067)
Xiaoyan An (China)
10:50 – 10:55 Accelerating Robust Proton Therapy: A Synthetic CT-based Framework for Efficient and Clinically Feasible Adaptive IMPT
(PTCOG-AO2025-ABS-0095)
Manikandan Arjunan (India)

Mini Oral Presentation 2A and 2B

Date:7 November 2025 (Friday)
Time:16:00 – 16:20
Venue:Foyer, Level 1
Mini Oral Presentation 2A (Clinical / Biology)

Judges: Amy Chang and Tae-hyun Kim
Time Abstract Title and Presenter
16:00 – 16:05 Long-term Clinical Outcomes After Proton Beam Therapy for Operable Early-stage Lung Cancer
(PTCOG-AO2025-ABS-0033)
Masaki Nakamura (Japan)
16:05 – 16:10 Prospective Study of Proton Therapy for Non-small Cell Lung Cancer Patients with Interstitial Lung Disease
(PTCOG-AO2025-ABS-0157)
Hyun-ju Shin (South Korea)
16:10 – 16:15 Safety and Efficacy of Carbon-ion Radiotherapy for Stage I Non-small Cell Lung Cancer In Elderly Patients
(PTCOG-AO2025-ABS-0063)
Takeru Ohtaka (Japan)
16:15 – 16:20 MiniProton 360 Upright Proton Therapy System Workflow Study: Treatment Efficiency and Subject Comfort
(PTCOG-AO2025-ABS-0122)
Jianghua Wei (China)

Mini Oral Presentation 2B (Physics)

Judges: Dong-ho Shin and Toshiyuki Toshito
Time Abstract Title and Presenter
16:00 – 16:05 Integrating Dynamic MLC into IMPT Using a Novel Leaf Positioning Strategy for Head and Neck Cancer
(PTCOG-AO2025-ABS-0072)
Yushi Wakisaka (Japan)
16:05 – 16:10 Evaluation of Target Dose Robustness in Carbon Ion Therapy Treatment Planning for Refractory Ventricular Tachycardia
(PTCOG-AO2025-ABS-0106)
Yuya Miyasaka (Japan)
16:10 – 16:15 A Shuttle-based MR-guided Workflow and Margin Calculation in Prostate Proton Therapy
(PTCOG-AO2025-ABS-0078)
Chin-chak Ho (Hong Kong)
16:15 – 16:20 Therapeutic Dose-normalized Neutron Shielding Assessment for Multi-ion Radiotherapy
(PTCOG-AO2025-ABS-0093)
Ui-seob Lee (South Korea)

Mini Oral Presentation 3A and 3B

Date:8 November 2025 (Saturday)
Time:10:00 – 10:20
Venue:Foyer, Level 1
Mini Oral Presentation 3A (Clinical / Biology)

Judges: Amy Chang and Tae-hyun Kim
Time Abstract Title and Presenter
10:00 – 10:05 Automated Framework for Plan Review in Site-specific Carbon-ion Radiotherapy Using TPS Scripting
(PTCOG-AO2025-ABS-0148)
Eun-ho Lee (South Korea)
10:05 – 10:10 Tissue-Specific Biological Responses in Carbon Ion Radiotherapy Based on the PIDE Database
(PTCOG-AO2025-ABS-0127)
Jeong-hyeon Kim (South Korea)
10:10 – 10:15 Development of a Proton Range Dosimeter Using 96-Layer Acrylic Disks and Thin-film Copper Indium Gallium Selenide Solar Cells
(PTCOG-AO2025-ABS-0020)
Dong-seok Shin (South Korea)
10:15 – 10:20 Comparative Study on Radiation Sensitization Effects of Different Radiation Beams on Gadolinium Oxide Nanoparticles
(PTCOG-AO2025-ABS-0062)
Boyi Yu (China)

Mini Oral Presentation 3B (Physics)

Judges: Dong-ho Shin and Toshiyuki Toshito
Time Abstract Title and Presenter
10:00 – 10:05 Development of Carbon Ion Irradiation Planning Software for Small Targets of Small Animal Experiments
(PTCOG-AO2025-ABS-0113)
Inagaki Shunsuke (Japan)
10:05 – 10:10 Direct Energy Monitoring of Carbon-ion Beam with a Radiation-hard Detector Using Time-of-flight Methodology
(PTCOG-AO2025-ABS-0116)
Na-hye Kwon (South Korea)
10:10 – 10:15 End-to-end Assessments of SPR Conversion Curves in Proton Therapy Incorporating Planar Dose and WET Measurements through Animal Tissue Sample Irradiation
(PTCOG-AO2025-ABS-0147)
Jianan Wu (China)

Mini Oral Presentation 4A and 4B

Date:8 November 2025 (Saturday)
Time:15:40 – 16:00
Venue:Foyer, Level 1
Mini Oral Presentation 4A (Clinical / Biology)

Judges: Amy Chang and Tae-hyun Kim
Time Abstract Title and Presenter
15:40 – 15:45 Proton Therapy for Central Nervous System Germ Cell Tumors: A 20-Year Single Institution Experience
(PTCOG-AO2025-ABS-0134)
Joo-young Kim (South Korea)
15:45 – 15:50 Clinical Outcomes of Pediatric Intracranial Ependymoma Treated with Proton Beam Therapy: A Multi-institutional Retrospective Study
(PTCOG-AO2025-ABS-0144)
Dong-seok Shin (South Korea)
15:50 – 15:55 Long-term Outcomes of Image-guided Proton Therapy for Localized Prostate Cancer
(PTCOG-AO2025-ABS-0007)
Hiromitsu Iwata (Japan)
15:55 – 16:00 Results of Image-guided Heavy Ion Radiation Therapy Using Gold Markers for Prostate Cancer in High-risk Group
(PTCOG-AO2025-ABS-0128)
Suzuki Osamu (Japan)

Mini Oral Presentation 4B (Physics)

Judges: Dong-ho Shin and Toshiyuki Toshito
Time Abstract Title and Presenter
15:40 – 15:45 A Method for Reducing Energy Layers in Pencil Beam Scanning Proton Therapy
(PTCOG-AO2025-ABS-0150)
Chao Shan (China)
15:45 – 15:50 RBE Evaluation of a 2D Ripple Filter Applied in Carbon Ion Therapy Using Microdosimetric Methods
(PTCOG-AO2025-ABS-0151)
Mei Xiao (China)