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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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contentuptodate· Content· item f3_56_3977

©2013 UpToDate ® Print Email Atypical carcinoid tumor of the lung Low power photomicrograph showing an atypical carcinoid tumor of the lung. The tumor shows a growth pattern reminiscent of that seen in carcinoid tumors of the more usual type, but differs in that there is associated tumor necrosis as seen in the upper portion of the photomicrograph (arrow). Courtesy of Jeffrey Myers, MD.