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File:IPLab7Bronchogenic3.jpg|This is a photomicrograph of bronchus with ulcerated mucosal surface on the right (1). The submucosa is completely filled with tumor down to the cartilage (2).
File:IPLab7Bronchogenic4.jpg|This is a higher-power photomicrograph of bronchus with the ulcerated mucosal surface on the right and tumor underneath.
File:IPLab7Bronchogenic5IPLab7Bronchogenic5b.jpg|This is a higher-power photomicrograph of the mucosal surface (right) with an area of hemorrhage (arrow) and underlying tumor (left). File:IPLab7Bronchogenic6.jpg|This is a photomicrograph of tumor from an area of invasion with compression of fibrous stroma and focal necrosis. File:IPLab7Bronchogenic7.jpg|This is a high-power photomicrograph showing cytologic detail of the tumor cells with an area of necrosis (1) and a more differentiated area with keratin pearl formation (2). File:IPLab7Bronchogenic8IPLab7Bronchogenic6b.jpg|This is a high power photomicrograph of tumor cells with an area of central necrosis (arrow)more keratin production. File:IPLab7Bronchogenic9IPLab7Bronchogenic7b.jpg|This high-power photomicrograph of tumor shows the cytologic detail keratin production and areas of a less-differentiated area of neoplasm with cellular anaplasianecrosis.
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