Mature mediastinal bronchogenic cyst with left pericardial defect: A case report

Figure 2 Cysts removed during surgery, and visual field under thoracoscopy. A: The right arrow refers to the broken end of the cyst, the left arrow refers to the left atrium and left atrial appendage, and the lower right of the field of vision is the lung tissue. B: The cyst pedicle is solid tissue, and cartilage fragments can be seen from the pedicle; C: The fluid inside the cyst; D: Bronchial bifurcation-like structure in the cysts.