Fig. 4

A, B Stage II of pleural empyema at uniportal video-assisted thoracoscopy (u-VATS) approach characterized by a exudative thickening and dense fibrin depositions in pleural space
A, B Stage II of pleural empyema at uniportal video-assisted thoracoscopy (u-VATS) approach characterized by a exudative thickening and dense fibrin depositions in pleural space