FIGURE 1
From: Neuroendocrine Lung Tumors: Grade Correlates with Proliferation but not Angiogenesis
A, typical carcinoid tumor, hematoxylin and eosin stain (100 ×). B, large cell neuroendocrine carcinoma, hematoxylin and eosin stain (100 ×). C, typical carcinoid tumor, mean vessel density, CD-31 immunostain (100 ×). D, large cell neuroendocrine carcinoma, mean vessel density, CD-31 immunostain (100 ×). E, typical carcinoid tumor, cellular proliferation, MIB-1 immunostain (100 ×). F, large-cell neuroendocrine carcinoma, cellular proliferation, MIB-1 immunostain (100 ×).
