Fig. 1

Thoracic computed tomography findings in 4 cancer patients with active Mycobacterium tuberculosis. a Non-small cell lung cancer patient with a thick wall cavity in the left lung with an infiltration shadow in the right upper lobe. b Colorectal cancer patient with multiple nodules in both lungs. c Breast cancer patient with a small cavity with an infiltration shadow in the right upper lobe. d Non-small cell lung cancer patient with multiple small nodules with partial patty follicular spot in the both lungs and cavity formation in the S6 segment of the right lung and lingular segment of the left lung