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Insights into Imaging
Fig. 1 | Insights into Imaging

Fig. 1

From: Intratumoral and peritumoral radiomics predict pathological response after neoadjuvant chemotherapy against advanced gastric cancer

Fig. 1

ROI segmentation diagram. a–c A 61-year-old male patient with moderately differentiated advanced gastric adenocarcinoma. a The tumor was located in the gastric antrum, and the intratumoral ROI was delineated along the tumor edge. b The boundary was equidistant outward by 2 mm to form the peritumoral ROI. c Postoperative pathological picture: Massive chronic inflammatory cell infiltration, no residual tumor cells, grade 1a (HE × 200). d–f A 59-year-old male patient with moderately differentiated advanced gastric adenocarcinoma. d The tumor was located in the cardia, and the intratumoral ROI was delineated along the tumor edge. e Boundary was equidistant outward by 2 mm to form the peritumoral ROI. f Postoperative pathological picture: Proliferation of interstitial fibrous tissue and a small amount of tumor cell degeneration, grade 3 (HE × 200)

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