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Expression of SSTR-1 in two different NEC G3 (large cell neuroendocrine carcinoma; LCNEC) of lung. a) H-E; Rather solid growth of poorly differentiated tumor cells with incomplete peripheral nuclear palisading. b) SSTR-1; In this case cytoplasmic positive staining seen. c) H-E; Another case of LCNEC. d) Intense membranous and occasional cytoplasmic positivity identified in the tumor cells. Original magnification ×200 (a), ×400 (b–d).
