Meet Our Breast Cancer Team

Lynne’s healthcare career has its roots in her teenage years, when she was a candy-striper at her local hospital in Baker City. She says Celilo is the career destination of her dreams.

Dr. Sophia Bornstein is a board-certified radiation oncologist at Mid-Columbia Medical Center’s Celilo Cancer Center.

As a board-certified radiation oncologist, Dr. Bornstein specializes in the use of radiation therapy to reduce the symptoms of or cure cancer, and in the overall care of patients with cancer. Dr. Bornstein has published extensively on a number of radiological and oncological topics, and is known for her research in head and neck cancers, and early phase clinical trial development.

Dr. Bornstein earned her M.D. and Ph.D. at Oregon Health & Science University, where she won multiple awards, scholarships and grants, including the NIH the Pre-Doctoral Training Grant, Radiological Society of North American Research Medical Student Grant and Tartar Trust Fellowship. She completed her internship at Providence St. Vincent’s Medical Center and took her residency at OHSU’s Department of Radiation Medicine, where she started a resident-run palliative radiation program, taught radiobiology and completed the American Board of Radiology Holman Research Pathway.

Prior to joining MCMC, Dr. Bornstein worked as a radiation oncologist in a variety of settings, including as an assistant professor at OHSU, assistant professor at Weill Cornell Medical College in New York and as a temporary physician at multiple underserved communities throughout the country.

Dr. Bornstein feels honored to treat patients with cancer and counsel them through treatment. She values relationships with her patients and their families, and develops personalized treatment plans for her patients based on their needs and wishes.

After 15 years in Portland, Dr. Bornstein is excited to transition to a community treatment setting with a strong patient focus and impressive provider expertise. In her free time, she enjoys hiking and wine tasting.

Melodi is the breast care coordinator for Mid-Columbia Medical Center. She works with a diverse and collaborative cancer treatment team at Celilo Cancer Center where personalized healthcare and education are key components of the care process.

Dr. Lee-Volkov enjoys the opportunity to use data that a primary care physician has provided about their patient and, like a detective, analyze it to help make diagnoses. She also loves the chance she gets daily to make a positive impact on patients’ lives.

Dr. Proctor says she feels a special connection to her patients with breast-related health issues. She enjoys being part of a multi-disciplinary team, with the common goal of delivering the highest level of care.

Dr. Stelzer is a leading expert in the application of intensity modulated radiation therapy (IMRT) the technology used at Celilo that shapes radiation beams more precisely to spare surrounding tissue.

Kim Tyler is a nurse practitioner at Mid-Columbia Medical Center’s Celilo Cancer Center.

A board-certified oncology nurse practitioner (NP), Kim provides diagnosis, treatment, and support for patients at Celilo. In collaboration with a comprehensive healthcare team, she helps patients and their families through all stages of the disease process.

Kim received her B.S. in Nursing at Boston College School of Nursing and completed her M.S. in Adult Oncology Nurse Practitioner at Columbia University School of Nursing, where she received the CAPSONA scholarship and was invited into the Sigma Theta Tau International Honor Society of Nursing.

Throughout her more than 20-year career in healthcare, Kim has served in a variety of settings, including OHSU Knight Cancer Institute, Yale New Haven Hospital in New Haven, Connecticut and Memorial Sloan-Kettering Cancer Center in New York City.

Kim relocated to the Gorge for the natural beauty and feels blessed to be part of a close-knit community that celebrates each other’s joys, eases each other’s burdens and steps up for people in need. In her free time she enjoys skiing, mountain biking, reading and spending time with family.

Dr. Dong Xiang is a hematologist-oncologist at Mid-Columbia Medical Center’s Celilo Cancer Center.

As a board-certified hematologist and medical oncologist, Dr. Dong Xiang specializes in the diagnosis, treatment and prevention of blood diseases and cancer. He has a special interest in novel treatment and clinical trials for patients with advanced stage cancer and is known for his research in breast and lung cancers.

Dr. Xiang earned his M.S. in Molecular Biology at University of Alabama and completed his M.D. at Southern Medical University in Guangzhou, China. He took his internship and residency at New Hanover Regional Medical Center in Wilmington, North Carolina, before completing his hematology/oncology fellowship at the Division of Medical Oncology & Hematology at University of Louisville.

Prior to joining MCMC, Dr. Xiang worked in a variety of settings, including as a hematologist/oncologist at OHSU Knight Cancer Institute in Portland, hematologist/oncologist at Humboldt Medical Specialists in Eureka and assistant professor/phase 1 clinical trial director at the Division of Medical Oncology & Hematology at St. Louis University.

Dr. Xiang is passionate about caring for people with cancer, alleviating symptoms and using all the tools at his disposal to help patients live longer lives. He cherishes the moments when his patients respond positively to treatment and achieve remission.

He relocated to the Gorge for the natural beauty, small town environment and experienced, trustworthy colleagues. In his freetime, Dr. Xiang enjoys table tennis, fishing, running, and spending time with family.

Dr. Xiang is a member of the American Society of Clinical Oncology and the American Society of Hematology. He serves on the editorial board of Novel Biomarkers and the Journal of Biomarker Research. He is fluent in English and Chinese.