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. 2022 May 27;14(11):2668. doi: 10.3390/cancers14112668

Figure 1.

Figure 1

Pre- and post-treatment esophageal cancer. (a–f) FDG PET-CT pre-treatment for esophageal cancer. Sagittal (a), coronal (b) and anterior maximum intensity projection (MIP) (c) images show a hypermetabolic distal esophageal carcinoma (arrowheads); (d–f) Post-treatment esophageal cancer in the same planes as the pre-treatment scan. Repeat FDG PET-CT 3 weeks following completion of neoadjuvant chemoradiation show mild persistent metabolic activity through the radiation field (arrowheads). Imaging at 10–12 weeks post-completion of chemoradiation is recommended to minimize false FDG PET-CT findings such as these, due to post-treatment inflammatory changes.