Clinical Research Directory

Inclusion Criteria: * Female patients aged 18-65 years. * American Society of Anesthesiologists (ASA) physical status I-II. * Scheduled unilateral breast cancer surgery. Exclusion Criteria: * Patient refusal to participate in the study * Psychiatric disorder, communication difficulties and chronic neurological disease. * History of allergy to local anesthetics. * Patients with bleeding disorders, on anticoagulants or with skin infection at the site of injection. * Patients with pre-existing severe major organ dysfunction such as cardiac, hepatic, renal impairment. * Body Mass Index (BMI) ≥ 35 kg/m2. * Chest wall deformity.