Erector Spinae Plane (ESP) Block vs Intravenous Lignocaine Infusion in (VATS)

Inclusion criteria: * Age \>18 * VATS for tumor resection or partial lung resection in emphysema * Written, informed consent obtained 1 day prior to surgery Exclusion criteria: * Lack of consent for ESP blockade * History of allergy to local anaesthetics * Other contraindications to ESP blockade * American Society of Anesthesiologists(ASA) Physical Status Classification value 4 or higher * VATS for indications other than tumor resection or partial lung resection in emphysema * Insulin- dependent diabetes mellitus * More than 1 chest drain post-operatively * Conversion to thoracotomy * Chronic opioid use prior to surgery defined as opioid administration for at least 3 months during the last 12 months * History of alcohol abuse * Suspected technical difficulties with performing the ESP block (e.g. obesity) * Inadequate spread of the local anaesthetic during the ESP block * Cognitive impairment that might cause an inaccurate assessment of pain levels