Erector Spinae Block for Thoracic Surgery

This study is evaluating whether a nerve block technique called the Erector Spinae Plane Block — where local anesthetic is injected near the spine — improves pain control and reduces the need for opioids after chest surgery (pulmonary resection, i.e., removing part of a lung). **You may be eligible if...** - You are between 18 and 90 years old - You are scheduled for lung surgery to remove part of the lung (pulmonary resection) **You may NOT be eligible if...** - You are having a procedure like pleurodesis or decortication (other chest procedures) - Your surgery is an emergency - You have an allergy to local anesthetic drugs - You had a significant complication during surgery (such as uncontrolled bleeding or conversion to open surgery) - You are having surgery on both lungs at the same time Talk to your doctor to see if this trial is right for you.