Coronal section through the lungs, trachea, and hila in a patient with sarcoidosis, demonstrating extensive right paratracheal and hilar nodal enlargement (giving rise to the lambda sign)

Author: Image courtesy of Yale Rosen M.D. Reproduced with permission.

Original files from: http://granuloma.homestead.com/

1. http://granuloma.homestead.com/files/gross_sarcoid_bhl.jpg
2. http://granuloma.homestead.com/files/gross_sarcoid_bhl78.jpg
3. http://granuloma.homestead.com/files/gross_sarcoid_bhl79.jpg

Modifications: replaced background and made square aspect

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