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CARROS, the Council of Affiliated Regional Radiation Oncology Societies, is a chapter of the ACR.

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CARROS promotes radiation oncology at the local and regional levels. CARROS develops consensus on issues in radiation oncology and transmits information to CARROS members and parent organizations. Additionally, this chapter provides the radiation oncology members of the ACR with a dedicated seat on the ACR Council.

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All ACR members who are radiation oncologists or medical physicists in the practice of radiation oncology are members of CARROS; they are also members of their ACR state chapters (where they work or practice).

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