Radiation Oncology Team

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Dr. Francine E. Halberg, MD Dr. Halberg has a longstanding interest in breast cancer research and treatment. She has authored 34 scientific papers, and has lectured widely on breast cancer topics. In addition to being on the Board of Directors of the American Society for Therapeutic Radiology and Oncology, she has chaired the ASTRO Task… MORE

Dr. Lloyd T. Miyawaki, MD MORE

Dr. Joseph C. Poen, MD Dr. Poen is a radiation oncologist with special training and interest in gastrointestinal cancer, including colorectal cancer. Prior to joining Marin Specialty Care in 2000, he was associated with Stanford University School of Medicine, where he was Director of the Gastrointestinal Comprehensive Cancer Clinic and Tumor… MORE