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Invasive Mucinous Adenocarcinoma

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Lung_AdenoCA_InvasiveMucinous15.jpg

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Like other lung adenocarcinomas, invasive mucinous adenocarcinoma usually occur in the lung periphery. The image shows well-differentiated mucinous columnar cells in acinar and lepidic patterns.

Grossly, invasive mucinous adenocarcinomas are poorly-circumscribed tumors with a gelatinous glaring surface. Due to widespread dissemination and multricentricity, some cases grossly create a pneumonia-like lobar consolidation.

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