Fig. 2From: Application of ultrasound-guided medical thoracoscopy in patients with small amounts or without pleural effusionUltrasound and thoracoscopic presentation of typical patients. (a) Ultrasound presentation in a patient with a pleural sliding sign (red arrow). (b) Thoracoscopic manifestation of the patient is fully exposed and without pleural adhesions. (c) Ultrasound presentation in a patient with a fluid sonolucent area (red arrow). (d) Thoracoscopic manifestation of the patient with encapsulated empyema (red arrow). (e) Ultrasound presentation in a patient showed thickened pleura (red arrow) without pleural sliding sign. (f) Thoracoscopic manifestation of the patient with severe adhesions in the pleural cavity. There was visible injury to the lung (red arrow)Back to article page