Skip to main content
Samsung Medical Center
Start Your Care
Start Your Care
Your Journey Begins Here
Why Choose SMC?
Request an Appointment
Billing & Insurance
Location & Parking
Facilities
Contact Us
FAQ
Your Journey Begins Here
Departments & Centers
Departments & Centers
Our Clinical Services
International Healthcare Center
IHC Overview
Outpatient Services
Inpatient Services
Health Promotion Center
HPC Overview
Health Screening Packages
Request an Appointment
Your Screening Process
Screening Tips & Information
Samsung Comprehensive Cancer Center
Heart Vascular Stroke Institute
Departments
Specialized Centers
Find a Doctor
About SMC
About SMC
Who We Are
Mission & Vision
SMC News
Reports & Brochures
Who We Are
Health Library
Health Library
Browse Health Topics
Diseases & Conditions
Tests & Procedures
Symptoms
Browse Health Topics
Research & Education
Research & Education
For Healthcare Professionals
Research
Research Overview
Centers & Departments
Contact Us
Education
Education Overview
Advanced Clinical Skill Course Program
Observership Program & Medical Student Clinical Elective Program
SMC Workshops
Contact Us
Academics
ENG
English
Korean
Chinese
Russian
Request an Appointment
What are you looking for?
Breast Cancer
Brain Tumor
Proton Therapy
M.D., Ph.D.
John Jeongseok Yang
Department
Laboratory Medicine and Genetics
Publications
HOME
Departments & Centers
Find a Doctor
Publications
ORCID
Publications
John Jeongseok Yang
ORCID
0000-0002-7739-1009
Get Started
Take the next step in your care journey with us.
Request an Appointment
