Figure 2From: Overdiagnosis of a typical carcinoid tumor as an adenocarcinoma of the lung: a case report and review of the literatureA) HE-staining. B-G) Immunohistochemical stainings. B) Cytoplasmatic expression of CK7. C) Nuclear expression of TTF1. D) Cytoplasmatic expression of chromogranin A. E) Cytoplasmatic expression of synaptophysin. F) Plasma membrane associated expression of CD56. G) Ki-67 labelling index of approximately 5%.Back to article page