ASA I-II female patients aged over 18 who will undergoing breast reduction surgery will recruit to the study. Patients will divide into 2 groups. Deep serratus plane block will perform with 0,25 %bupivacaine 20 ml at the midaxillary 5. rib, bilaterally for Group I. At Group II, deep serratus plane block ( 0,25 %bupivacaine 20 ml) at the midaxillary 5.th rib+ pectointercostal plane block (0,25% bupivacaine 15 ml) at 4-5.th intercostal space will perform bilaterally . General anesthesia with sevoflurane and remifentanil will perform to the all patients. Postoperative pain scores, morphine consumption and complications will record till the 24.th hours.

ASA I-II female patients aged over 18 who will undergoing breast reduction surgery will recruit to the study. General anesthesia with sevoflurane and remifentanil will perform to the all patients. Patients will divide into 2 groups. Serratus plane block for group I and serratus plane block+pectointercostal block for Group II will perform bilaterally. Ultrasound guided deep serratus plane block will perform with 0,25% bupivacaine 20 ml at the midaxillary 5. rib, for Group I. At Group II, ultrasound guided deep serratus plane block ( 0,25 %bupivacaine 20 ml) at the midaxillary 5.th rib+ pectointercostal plane block (0,25% bupivacaine 15 ml) at 4-5.th intercostal space will perform bilaterally. Patient controlled analgesia will perform with Morphine ( 1 mg bolus+ 10 min lockout+4 hours limit 10 mg) at postoperative period. Patients will evaluate with visual analogue scale (VAS) for postoperative pain scores till the first 24.th hours. Postoperative pain scores (VAS), morphine consumption and complications will record till the 24.th hours.

Inclusion Criteria:

• ASA I-II patients
• Female
• who will undergoing Breast reduction surgery

Exclusion Criteria:

• ASA III and over patients
• who reject to join the study
• male gender

18-65 aged females.