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If it is symptomatic, it will perform advanced imaging soon after surgery. Intralobar sequestration is removed through lobectomy and segmental resection, and extralobar sequestration removes lesions. Since all vessels are connected from the systemic circulation, it is important to ligate all vessels well. Other operations include thoracoscopic lobectomy and arterial embolization. If asymptomatic, early surgical resection is available if: - Large lesion (occupies ≥ 20 percent of the lobe) - Characteristics suggesting risk for pleuropulmonary blastoma (family history, bilateral or multifocal cysts, and pneumothorax) Even if it does not meet the above criteria, elective surgical resection will be done. This will be done mainly at 6 to 12 months, and will be performed for the following reasons. - Therapeutic purpose is strong because it can cause serious complications. Patients with Lung sequestration are more susceptible to infection later. (Especially intralobar sequestration) ...

Lung sequestration is characterized by a non-functioning lung tissue with lower airway congenital abnormality. This non-functioning lung tissue is not normally associated with the tracheobronchial tree, and is supplied by the systemic circulation rather than the pulmonary artery. One congenital lower respiratory tract abnormality is found in 10,000 to 35,000 people, the most common being congenital cystic adenomatoid malformation, and lung sequestration is found in 0.15 to 6.4%. Classification of lung sequestration Lung sequestration is divided into two types according to location. The standard of location is visceral pleura. 1) Intralobar sequestration: Located in the same visceral pleura as the normal lung, accounting for 75% of the total lung sequestration. They are mainly adolescents and adults, who experience repetitive pneumonia while experiencing the same rate of men and women. Approximately 60% of the cases occur in the left lower lobe, mainly hemoptysis and recurrent pneu...