The Division of Radiation Oncology King Chulalongkorn Memorial Hospital, led by Associate Professor Chonlakiet Khorprasert, M.D., – The Director of Her Royal Highness Princess Maha Chakri SIrindhorn Proton Center (HPSP), along with faculty members, participated in the academic conference and research presentation at The 6th Meeting FARO & KOSRO 2023 held at The-K Hotel in Seoul, Republic of Korea, which was held during October 11th to 13th, 2023. During the event, Associate Professor Chonlakiet Khorprasert, M.D. gave a presentation moderated one session in Gynecological Cancer topic, and Adjunct Assistant Professor Sarin Kitpanit, M.D. was the speaker in Oropharyngeal cancer: de-escalation & challenges topic.