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. 2021 May 7;15:254. doi: 10.1186/s13256-021-02830-5

Fig. 3.

Fig. 3

Operative specimen from total prostatectomy: immunohistochemistry. Positive labeling for chromogranin A (a) and synaptophysin (b). These two markers are positive for the neuroendocrine component and negative for the adenocarcinomatous component.