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Fig. 2.

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Fig. 2. Diagnostic imaging shows lateral pelvic lymph node enlargement (yellow arrows). (A) Abdominopelvic CT, MRI, and PET showed enlargement of the left internal iliac lymph node. Result shows that the lateral pelvic lymph node is pathologically “negative” for malignancy. (B) Lateral pelvic lymph node consistently enlarges after neoadjuvant chemoradiotherapy (nCRT) and is confirmed as a metastatic lymph node. (C) Left lateral obturator node shrinks after nCRT and it is histologically diagnosed as a non-metastatic lymph node after dissection. Written informed consent was obtained for publication.

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