Right middle lobe consolidation in a 29-year-old patient with primary tuberculosis

(A) Chest radiograph shows homogeneous right middle lobe consolidation and enlarged right hilum.
(B) CT scan demonstrates dense right middle lobe consolidation and focal convexity in the subcarinal region suggestive of lymphadenopathy (arrow).
(C) Contrast enhanced CT demonstrates enlarged right hilar and subcarinal lymph nodes with low attenuation centers consistent with necrosis (dashed arrows).