Seroma and Hematoma Rates: MAXIGESIC IV vs. Ketorolac in Breast Cancer Surgery

Inclusion Criteria: * Systemic performance status 0-2 according to ECOG criteria * Patients with adequate renal function: serum Cr 1.4 mg/dL or less * Patients with adequate liver function Bilirubin, AST/ALT: 1.5 times or less of the upper limit of normal, Alkaline phosphatase: 1.8 times or less of the upper limit of normal * Patients undergoing total mastectomy with SLNB or ALND (mastectomy and axillary sentinel lymph node dissection) * Patients undergoing breast-conserving surgery with ALND (mastectomy and axillary dissection) * Patients who voluntarily decided to participate in this study and signed a written informed consent form Exclusion Criteria: * Patients undergoing immediate reconstruction operation * Patients with drug allergies to painkillers and anti-inflammatory drugs * Patients with a physical condition that would interfere with understanding and submitting the consent form