Inclusion Criteria:  Adults independent of sex with an age of ≥ 18 years Patients undergoing VATS as a part of either examination or treatment of lung cancer  Exclusion Criteria:  Patients who are unable to understand oral and written information. Patients with known chronic pain in the thorax which have been persisting for at least six months before the day of surgery. Pregnant and nursing women. Patients with hypersensitivity / allergy / Intolerance to dexamethasone or bupivacaine. Patients receiving a planned preoperative epidural blockade during their stay. Patients converted to open surgery.