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Cancer Treatment Centers of America

Meet our Phoenix radiation oncologists

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Anderson Bauer, MD, DABR
Patient Rating
4.8 / 5
51 Ratings
19 Comments
Marnee Spierer, MD
Patient Rating
4.9 / 5
41 Ratings
15 Comments

In the radiation oncology department at Cancer Treatment Centers of America® (CTCA), Phoenix, we use state-of-the-art tools and procedures to diagnose, stage and treat cancers. Many cancers can be treated with radiation therapy. Radiation therapy is a cancer treatment using high-energy X-rays, electron beams or radioactive isotopes to destroy cancer cells and shrink tumors. Radiation ionizes or damages the chromosomes in the cell so that they cannot multiply.

Radiation therapy delivery options at our Phoenix hospital are determined during treatment planning with the patient. Our radiation oncologists thoroughly review each patient’s medical history, imaging reports (e.g., CT scans, PET/CT scans, MRIs) and perform extensive examinations. Depending on the radiation delivery method, several sources may be used to decide an appropriate dosage. The radiation oncologists at our Phoenix hospital work with patients to design a treatment plan that delivers an appropriate radiation dose to attack the tumor while reducing damage to surrounding healthy tissues when possible.

Radiation oncologists at CTCA® Phoenix,have experience treating a wide range of cancers. Dr. Marnee Spierer, a dedicated researcher and a board-certified Radiation Oncologist, leads the department as Chief of Radiation Oncology Clinical Operations at CTCA Phoenix. After completing a general residency at Saint Barnabas Medical Center in New Jersey, Dr. Spierer completed a radiation oncology residency at Memorial Sloan Kettering Cancer Center in New York City and served as a residency training program director, assistant professor and radiation oncologist at a medical center in the Bronx, New York. She was drawn to the whole-person model of care at CTCA. “Cancer treatment can be difficult,” she says, “but the care teams at CTCA attempt to make it as pleasant as possible.”

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