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. 2024 May 10;3:28. doi: 10.1186/s44215-024-00155-5

Fig. 5.

Fig. 5

Histological and immunohistochemical findings. a Hematoxylin and eosin staining, along with histochemical staining (b)~(d), is shown for the biopsy specimen obtained from the gastric side of the tumor. The tumor exhibited positive staining for CD56 (b) and synaptophysin (c). More than 90% of the tumor cells were positive for Ki67 (d). Original magnification, × 40