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File:IPLab7Carcinoid1.jpg|This is a low-power photomicrograph of the surgical specimen showing basophilic and eosinophilic areas delimiting areas of tumor infiltration.
File:IPLab7Carcinoid2IPLab7Carcinoid1x.jpg|This is a higher-power photomicrograph of the surgical specimen showing the mucosa is normal and the tumor cells are in the submucosa.File:IPLab7Carcinoid3b.jpg|This is a higher-power photomicrograph of the surgical specimen showing nests of tumor cells (arrows). File:IPLab7Carcinoid3IPLab7Carcinoid4b.jpg|This is a high-power photomicrograph of the surgical specimen showing the tumor's growth pattern--cells form discrete islands, trabeculae, and glands.
File:IPLab7Carcinoid4.jpg|This is a high-power photomicrograph of the surgical specimen showing the cellular morphology. The tumor cells are monotonously similar with scant, pink, granular cytoplasm and a round-to-oval stippled nucleus. As in most carcinoid tumors, there is minimal variation in cell and nuclear size, and mitoses are infrequent or absent.
File:IPLab7Carcinoid5IPLab7Carcinoid8x.jpg|This is a low-power photomicrograph of one of the subcutaneous masses in the cecum. Note that the mucosa (1) is virtually normal and the tumor cells are in the submucosa (2).File:IPLab7Carcinoid6.jpg|This is a higher-power photomicrograph of the previous section showing the intact mucosa (right) and the submucosal carcinoid tumor. File:IPLab7Carcinoid7.jpg|This is a low-power photomicrograph of another one of the subcutaneous masses in the cecum. The mucosa is normal and the tumor cells are in the submucosa. File:IPLab7Carcinoid8.jpg|This is a higher-power photomicrograph of the previous section showing intact mucosa (1), a gland (2), and the submucosal carcinoid tumor cells (3). File:IPLab7Carcinoid9.jpg|This is a low-power photomicrograph of a section of cecum containing tumor stained to demonstrate the secretory granules in these tumor cells (brown-colored stain). The blue color is shows how the mucin in the glands just under the mucosal surface. File:IPLab7Carcinoid10.jpg|This is a higher-power view of the previous section stained with a silver stain to delineate carcinoid tumor cells (brown) and a mucin stain (blue) to stain have invaded into the glands. File:IPLab7Carcinoid11.jpg|This is a high-power view muscularis of the same section stained with a silver stain to delineate carcinoid tumor cells bowel (brownarrows).
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