Fig. 4

Surgical findings of pleural-based mass. A To avoid blood vessels, we take 6 cm lung tissue from this patients. Pleural-based mass was located in lung, and one side of boundary was close to the pleura. B It showed pleural-based mass was in the lung parenchyma and pleural, we cannot know where the exact location of lesion in chest during surgery. C Pathological morphology of case in the figure B, mass was based on pleura, and there was a clear boundary between pleural based mass and lung parenchyma (black circle). Arrow showed the exact location of granuloma lesion