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: Hilar Lymph Node Metastatic Carcinoma: Gross fixed tissue but excellent color opened distal trachea and left lung bronchi shown close-up with obvious tumor in nodes primary sigmoid colon papillary adenocarcinoma