brown induration of the lung

brown in·du·ra·tion of the lung

a condition characterized by firmness of the lungs, and a brown color associated with hemosiderin-pigmented macrophages in alveoli, consequent upon long-continued congestion due to heart disease.

brown in·du·ra·tion of the lung

(brown in-dūr-ā'shŭn lŭng)
Fibrosis and hemosiderin pigmentation of the lungs due to long-standing pulmonary congestion.