Inclusion Criteria:  Male and Female aged > 18 Able to provide written informed consent ASA grade I - V VATS surgery Weight > 55kg  Exclusion Criteria:  Absence of or inability to give informed consent Pre-existing infection at block site Severe coagulopathy Allergy to local anaesthesia (or another contraindication to block performance) Previous history of opiate abuse Pre-existing chronic pain condition Pre-existing dementia (due to need to co-operate in completing QoR-15 score day after surgery Postoperative admission to ICU for continued ventilation BMI > 40 kg/m2