Chest dRain rEmoval intrAoperatively afTer thoracOscopic Wedge Resection

Inclusion Criteria: * Age ≥18 years. * Patients referred for elective three port video-assisted thoracoscopic surgery wedge resection of the lung for suspected or confirmed malignant nodules. * first second forced expiratory volume ≥60% of expected. * No increased bleeding risk (e.g. preoperative international normalized ratio \>2, overdue discontinuation of anticoagulants according to guidelines by the Danish Society for Thrombosis and Haemostasis, known coagulopathy). * Not scheduled for frozen section pathology of wedge resection and subsequent lobectomy. * Able and willing to give informed consent. Exclusion Criteria: * Increased risk of post-operative air leak assessed perioperatively by the surgeon (e.g. severe adhesions, bullous/emphysematous lung tissue, defects of the visceral pleura due to iatrogenic or other reasons, suturing in the lung tissue, deep lung resection). * Increased risk of post-operative bleeding assessed perioperatively by the surgeon (e.g. intraoperative bleeding or oozing). * Air leak during intraoperative air leak test.