significant microscopic lesions were encountered in lungs ( edema of the interlobular septae , thickened alveolar wall , lymphocytic infiltration , septal hyperplasia and alveolar infiltration with neutrophils and macrophages ) , liver ( mild lymphocytic infiltration in the hepatic triad , hypertrophy of von-kupffer cells ) , kidney ( degenerative necrosis and desquamation of tubular epithelium , and the marked lymphocytic infiltration in the interstitium ) , spleen ( depleted lymphoid tissues , infiltration of lymphocytes , macrophage and plasma cells in the red pulp ) and heart ( lymphocytic myocarditis ) .
C0024296
lymphoid
C0032112
plasma cells