The goal of this study is to compare the analgesic effects of ESPB and PECS II blocks in patients undergoing BCS. The main question it aims to answer is: * Whether these two different block procedures will create a difference in postoperative pain scores. * Comparison of total opioid consumption during the 24-hour postoperative period. Our study included patients who were female, who were going to undergo elective breast-conserving surgery between March 2022 and August 2022.
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Early postoperative Visual Analog Scale (VAS) scores
Timeframe: First hour after surgery