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OBJECTIVE: CT remains the imaging modality of choice in the diagnosis of colorectal cancer (CRC) and anal cancer. However, advances in imaging have expanded the role of MRI and PET/CT. This article focuses on the evolving role of FDG PET/CT in the diagnosis, radiation therapy planning, therapy assessment, and posttherapy monitoring of CRC and anal cancer. CONCLUSION: FDG PET/CT is a valuable imaging modality that impacts the clinical management of patients with CRC and those with anal cancer.
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Agarwal et al. (2014) studied this question.
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