Fig. 1
From: Procalcitonin expression in patients with large cell neuroendocrine carcinoma of the lung
Representative images of PCT immunohistochemistry. a No staining (intensity score: 0) in case 8. b Weak staining (intensity score: 1) in case 1. c Strong staining (intensity score: 2) in case 7. IHC immunohistochemistry. H-E Hematoxylin–Eosin