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Radiological features and TRG evaluation of patient with the ESCC before and after NCT. (A) The imaging manifestations of ESCC before chemotherapy, (B) the primary tumor shrinked significantly after treatment, and (C) TRG confirmed that the tumor has achieved a pCR. ESCC = esophageal squamous cell carcinoma, NCT = neoadjuvant chemotherapy, pCR = pathological complete response, TRG = tumor regression grade.
