Figure 2. Severe gross pathology.

Photographs of lungs and lymph nodes from pigs 58 and 59 (group 1) challenged with a high dose and low dose aerosol of Mtb strain HN878, respectively. (A) Numerous disseminated lesions in left lobe; (B) lesions in apical lung lobe; (C) numerous lesions many of which were calcified in mediastinal lymph node; (D) cross-section of lymph node showing several lesions; (E) cross-section of calcified lesion containing caseous matter; (F) lesions near bronchial tree.