Fig. 2From: Active pulmonary tuberculosis: something old, something new, something borrowed, something blueAn 83-year-old male presented with pyrexia of unknown origin. CT (lung window) demonstrates extensive consolidation in the right upper lobe (coronal plane—a), bilateral thick-walled cavities (axial planes—b, c, circled) and centrilobular nodules with a tree-in-bud appearance (arrowheads)Back to article page