
Oncology
Dr. Vance Koi Yung Chean is a distinguished Consultant Clinical Oncologist at Sunway Medical Centre, renowned for his comprehensive non-surgical management of adult cancers. He excels in integrating advanced systemic treatments with cutting-edge radiotherapy techniques like IMRT, VMAT, Tomotherapy, and Stereotactic Radiotherapy. His expertise spans genitourinary, gastrointestinal, head and neck, breast, and lung cancers, with a keen focus on Precision Medicine & Genomics and Clinical Trials & Research, offering patients access to the latest advancements in cancer care.
Janalle Ong
November 1, 2025 at 9:10 AM
We had a wonderful experience with Dr .Vance Koi (oncologist)at Sunway Medical center.We felt welcome and care for. Dr Vance Koi was very patient, friendly and kind. His professionalism and clear communication made us feel confident. we truly appreciate Dr Vance Koi and his nurse. she also a very kind and helpful nurse . We strongly recommend Dr Vance Koi if someone is looking for good oncologist.
Sameeha Mohiuddin
November 1, 2025 at 9:09 AM
My mother is being treated by Dr. Vance Koi at the Cancer center at Sunway Medical. She has a lot of confidence in her treatment because of the meticulous care she has received so far from her doctor, and everyone at Sunway Medical has been really helpful and kind. We are very happy with the facility, the hospitality, and assistance we have gotten as my mom is an international patient. Jamie from the intl patient center has not only been very warm and kind, but also has been a great help to us getting everything sorted for our time here.

Subang Jaya, Malaysia

Subang Jaya, Malaysia