Advanced Oncology Center Inc. 4500 Olivewood Avenue, Riverside, CA 92501

"Dr. Sun has an excellent bed side manner. He explained everything I needed to know in easy to understand terms. He answered all my questions to reduce my concerns. All his staff, were great and treated me with respect and caring knowing what I'm going through. My thanks to all of you."

"I had an outstanding first meeting with Dr. Sun. He was very informative and answered every question. He thoroughly explained my diagnosis and treatment options. I have every confidence in his ability to help me through my medical challenges and to many years of quality living."

"Dr. Chung is a wonderfully kind doctor that has the patience to listen and ask questions of his patients. He has been so nice with my Dad and has listened to all his concerns. When we have visits with him we are both very pleased because we don’t feel rushed and I can tell he cares about his cancer patients. So very grateful that he is my Dad’s doctor."

"Dr Sun very reassuring, speaks clearly and in a way I can understand. Very nice Dr, I was very impressed with his demeanor. The whole staff is amazing. Tina, Christina, Ilene, and staff are a true assest."

"This is the best place to take care of all your need. This is a professional advance oncology office from the staff to the doctor ,when I come here I always feel like I'm in good care. Even when I'm in the waiting room, waiting to be called on the interaction the staff have with the other guests it's always remarkable. This is the office that's always keeping you update. I'm so glad that I chose this advance oncologist office. I can't ask for more this is the place I would recommend to go to. Thanks to the doctor and staff for making this a great and comfortable place to attend."