PEIR Digital Library

Welcome to the Pathology Education Informational Resource (PEIR) Digital Library, a multidisciplinary public access image database for use in medical education.

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GROSS: RESPIRATORY: Lung: Adenocarcinoma: Gross fixed tissue but good color close-up view of carina with large bronchi opened opening to right upper lobe bronchus is occluded by tumor mass which is seen infiltrating the mucosa excellent photo