Serratus Posterior Superior Intercostal Plane (SPSIP) Block Versus Intercostal Nerve (ICN) Block in Patients Undergoing Uniportal-VATS.

Inclusion Criteria: * Patients over 18 years of age with lung neoplasm who are candidates for pulmonary resection surgery via Uniportal-VATS * Patients who have provided informed consent to participate in the study Exclusion Criteria: * Patients who refuse to participate in the study by not signing the informed consent; * Patients with severe obesity (BMI \> 35), history of OSAS with or without CPAP; * Patients classified as ASA \> 3, according to the system established by the American Society of Anesthesiologists; * Patients unable to understand the use of the NPR Scale or the PCA device that will be used for postoperative analgesia; * Patients with allergies to analgesic and/or anesthetic drugs; * Patients undergoing anticoagulant therapy; * Patients with a history of chronic pain; * Patients with an infection at the site where SPSIPB or ICNB will be performed; * Patients with a history of thoracic surgery and/or thoracic trauma with rib fractures on the side of surgery; * Patients with chest wall deformities and/or neuromuscular diseases that interfere with normal ventilatory function. Additionally, patients whose surgical procedure is intraoperatively converted to an open pulmonary resection will be excluded post hoc from the study.