jihyunRadOnc's profile picture. Radiation Oncologist, Seoul National University Hospital.

Ji Hyun Chang

@jihyunRadOnc

Radiation Oncologist, Seoul National University Hospital.

My 1.5 years of work at @UCSFCancer is finally out! Learned so much from my great mentor/friend @julian_hong. Great to heat AI routing is now being applied— curious to see how it performs!

Excited to have this study led by @jihyunRadOnc out! We identified frequent message topics to physicians at @UCSFCancer. We recently rolled out #AI routng (jury still out), so glad to publish this foundational work! @UCSFRadOnc @UCSF_BCHSI @UCJointCPH @UCSF_DOCIT



Ji Hyun Chang reposted

Excited to have this study led by @jihyunRadOnc out! We identified frequent message topics to physicians at @UCSFCancer. We recently rolled out #AI routng (jury still out), so glad to publish this foundational work! @UCSFRadOnc @UCSF_BCHSI @UCJointCPH @UCSF_DOCIT

Unsupervised Large Language Models to Identify Topics in Cancer Center Patient Portal Messages. Co-authored by @julian_hong Read the full article brnw.ch/21wWtWP #MachineLearning



Ji Hyun Chang reposted

ASTRO is deeply disturbed by the inaccurate, inappropriate, and irresponsible NBC News piece on IORT. We feel this story harms care for breast cancer patients & have strongly rebutted it through our Breast Cancer Resource Panel & a letter from ASTRO CEO, Vivek S Kavadi, MD to NBC…


Ji Hyun Chang reposted

This is really disappointing and inaccurate reporting @NBCNews that needlessly and inaccurately disparages #radonc as a "powerful" field that is withholding IORT because of money and greed. The truth is the scientific data suggests that IORT seems to be an inferior treatment.

Is it about money? U.S. women are increasingly shut out of a breast cancer treatment valued around the world nbcnews.com/news/us-news/u… via @nbcnews



Korean gathering at #ASTRO25 (SNUH staff/alumni + special guest @changjeesuk1 ). Hope the residents who are back can join too next year! @jbs_ro_snuh

jihyunRadOnc's tweet image. Korean gathering at #ASTRO25 (SNUH staff/alumni + special guest @changjeesuk1 ). Hope the residents who are back can join too next year! @jbs_ro_snuh
jihyunRadOnc's tweet image. Korean gathering at #ASTRO25 (SNUH staff/alumni + special guest @changjeesuk1 ). Hope the residents who are back can join too next year! @jbs_ro_snuh

Wonderful research and talk by Dr. Byoung-Hyuck Kim @karlly0701 ! Congratulations on the impressive results. Hopefully LDRT will continue to grow as a treatment option for OA, both in the US and Korea. Press interview of the trial: astro.org/news-and-publi… #ASTRO25

jihyunRadOnc's tweet image. Wonderful research and talk by Dr. Byoung-Hyuck Kim @karlly0701 ! Congratulations on the impressive results. Hopefully LDRT will continue to grow as a treatment option for OA, both in the US and Korea. Press interview of the trial: astro.org/news-and-publi… #ASTRO25

Ji Hyun Chang reposted

Another milestone for the @washumedicine @WashUCardiology collaboration STAR for ventricular tachycardia - 10 yrs after poster presentation, ⁦@DoctorPhillEP @SBRT_CR give the keynote at the #ASTRO25 Presidential Symposium! Amazing!

WashUMedRadOnc's tweet image. Another milestone for the @washumedicine @WashUCardiology collaboration STAR for ventricular tachycardia - 10 yrs after poster presentation, ⁦@DoctorPhillEP @SBRT_CR give the keynote at the #ASTRO25 Presidential Symposium! Amazing!

Ji Hyun Chang reposted

This year marked the first-ever KASTRO–KOSRO joint symposium at ASTRO, a truly memorable moment 🇰🇷. @jihyunRadOnc's talk was absolutelu outstanding.

changjeesuk1's tweet image. This year marked the first-ever KASTRO–KOSRO joint symposium at ASTRO, a truly memorable moment 🇰🇷. 
@jihyunRadOnc's talk was absolutelu outstanding.

It was so nice running into young KASTRO members at Philz during #ASTRO2025! My memory for names is terrible—if anyone can tag them here please do so! @KoreanASTRO @changjeesuk1

jihyunRadOnc's tweet image. It was so nice running into young KASTRO members at Philz during #ASTRO2025! My memory for names is terrible—if anyone can tag them here please do so! @KoreanASTRO @changjeesuk1


It was so nice running into young KASTRO members at Philz during #ASTRO2025! My memory for names is terrible—if anyone can tag them here please do so! @KoreanASTRO @changjeesuk1

jihyunRadOnc's tweet image. It was so nice running into young KASTRO members at Philz during #ASTRO2025! My memory for names is terrible—if anyone can tag them here please do so! @KoreanASTRO @changjeesuk1

Ji Hyun Chang reposted

Our final speaker for the KOSRO-KASTRO session is Dr @jihyunRadOnc who will provide the latest evidence and advancements for treating refractory ventricular tachycardia. See you tomorrow 8am Room 314!

KoreanASTRO's tweet image. Our final speaker for the KOSRO-KASTRO session is Dr @jihyunRadOnc who will provide the latest evidence and advancements for treating refractory ventricular tachycardia. See you tomorrow 8am Room 314!
KoreanASTRO's tweet image. Our final speaker for the KOSRO-KASTRO session is Dr @jihyunRadOnc who will provide the latest evidence and advancements for treating refractory ventricular tachycardia. See you tomorrow 8am Room 314!

Ji Hyun Chang reposted

Fantastic turnout at our first KASTRO/KOSTRO Joint Session at #ASTRO25! Special thanks to our speakers, Dr. Weon Kuu Chung, Dr. James Yu (@jamesbyu), and Dr. Ji Hyun Chang (@jihyunRadOnc) for their fascinating talks on radiation therapy for Alzheimer's, OA, and V-Tach!

KoreanASTRO's tweet image. Fantastic turnout at our first KASTRO/KOSTRO Joint Session at #ASTRO25! Special thanks to our speakers, Dr. Weon Kuu Chung, Dr. James Yu (@jamesbyu), and Dr. Ji Hyun Chang (@jihyunRadOnc) for their fascinating talks on radiation therapy for Alzheimer's, OA, and V-Tach!
KoreanASTRO's tweet image. Fantastic turnout at our first KASTRO/KOSTRO Joint Session at #ASTRO25! Special thanks to our speakers, Dr. Weon Kuu Chung, Dr. James Yu (@jamesbyu), and Dr. Ji Hyun Chang (@jihyunRadOnc) for their fascinating talks on radiation therapy for Alzheimer's, OA, and V-Tach!
KoreanASTRO's tweet image. Fantastic turnout at our first KASTRO/KOSTRO Joint Session at #ASTRO25! Special thanks to our speakers, Dr. Weon Kuu Chung, Dr. James Yu (@jamesbyu), and Dr. Ji Hyun Chang (@jihyunRadOnc) for their fascinating talks on radiation therapy for Alzheimer's, OA, and V-Tach!
KoreanASTRO's tweet image. Fantastic turnout at our first KASTRO/KOSTRO Joint Session at #ASTRO25! Special thanks to our speakers, Dr. Weon Kuu Chung, Dr. James Yu (@jamesbyu), and Dr. Ji Hyun Chang (@jihyunRadOnc) for their fascinating talks on radiation therapy for Alzheimer's, OA, and V-Tach!

Ji Hyun Chang reposted

Come by @jihyunRadOnc’s poster looking at patient portal (MyChart) messages at @UCSFCancer! @jihyunRadOnc applied #NLP approaches to identify common topics to hopefully improve triage (and reduce physician burnout)! #is24 @UCSF_BCHSI @UCJointCPH

julian_hong's tweet image. Come by @jihyunRadOnc’s poster looking at patient portal (MyChart) messages at @UCSFCancer! @jihyunRadOnc applied #NLP approaches to identify common topics to hopefully improve triage (and reduce physician burnout)!

#is24

@UCSF_BCHSI @UCJointCPH

Ji Hyun Chang reposted

Got some NRG Oncology/NSABP B-51/RTOG 1304 #breastcancer #radonc slides

toddscarbrough's tweet image. Got some
NRG Oncology/NSABP B-51/RTOG 1304
#breastcancer 
#radonc
slides
toddscarbrough's tweet image. Got some
NRG Oncology/NSABP B-51/RTOG 1304
#breastcancer 
#radonc
slides
toddscarbrough's tweet image. Got some
NRG Oncology/NSABP B-51/RTOG 1304
#breastcancer 
#radonc
slides

Ji Hyun Chang reposted

Even in the ePET neg group with Hodgkin's Lymphoma, we cannot omit RT. H10 long-term FU showed. ePET + No difference between standard ABVD & exp intensified BEACOPPesc. Also icing on the cake no increase in second malignancies.

BouthainaDabaja's tweet image. Even in the ePET neg group with Hodgkin's Lymphoma, we cannot omit RT. H10 long-term FU showed. ePET + No difference between standard ABVD & exp intensified BEACOPPesc. Also icing on the cake no increase in second malignancies.
BouthainaDabaja's tweet image. Even in the ePET neg group with Hodgkin's Lymphoma, we cannot omit RT. H10 long-term FU showed. ePET + No difference between standard ABVD & exp intensified BEACOPPesc. Also icing on the cake no increase in second malignancies.
BouthainaDabaja's tweet image. Even in the ePET neg group with Hodgkin's Lymphoma, we cannot omit RT. H10 long-term FU showed. ePET + No difference between standard ABVD & exp intensified BEACOPPesc. Also icing on the cake no increase in second malignancies.

Ji Hyun Chang reposted

On the tougher days in this job, I need to remind myself that: -the self-doubt means I have ambitious career goals -the failure means I'm taking risks and trying something new -the frustration means I care and I'm passionate about my work


It's the same in Korea too. I think it's great to formalize such content into a research paper and hope it can lead to change.

Decline in Japan's research capabilities: challenges in the medical field - The Lancet thelancet.com/journals/lance…



Ji Hyun Chang reposted

Decline in Japan's research capabilities: challenges in the medical field - The Lancet thelancet.com/journals/lance…


Should I start usmle? (And drop my PhD)

Lifetime earnings of a radiation oncologist in the United States 🇺🇸 Presented at @ASTRO_org #ASTRO23 #radonc From @ChristineLin08 @mwang_cwru @WCInvestor @DrSpratticus @CWRUSOM @UHhospitals Full app including all medical specialties physician-earnings.shinyapps.io/rshiny/

NicholasZaorsky's tweet image. Lifetime earnings of a radiation oncologist in the United States 🇺🇸

Presented at @ASTRO_org #ASTRO23 #radonc
From @ChristineLin08 @mwang_cwru @WCInvestor @DrSpratticus @CWRUSOM @UHhospitals 

Full app including all medical specialties
physician-earnings.shinyapps.io/rshiny/


Ji Hyun Chang reposted

New article alert (Vol 189) Stereotactic arrhythmia radioablation: A multicenter pre-post intervention safety evaluation of the implantable cardioverter-defibrillator function Martijn H. van der Ree et al. doi.org/10.1016/j.rado… thegreenjournal.com/article/S0167-…


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