Figure 1. Chest X-ray of a patient with silicosis and pulmonary tubercolusis. The patient was a well driller. Note the thick-walled cavity in the left middle lung field (arrow) (Source Barboza et al. J Bras Pneumol, 34, Nov. 2008 [26])

From

Silicosis-Associated Tuberculosis: Management and Control

Attapon Cheepsattayakorn, Ruangrong Cheepsattayakorn

American Journal of Public Health Research. 2018, 6(2), 125-129 doi:10.12691/ajphr-6-2-17