Comparative Study Between Combined Modified Pectoral Nerve Block (PECSΙΙ) and Transversus Thoracic Plane Block Versus Erector Spinae Plane Block for Post-operative Analgesia Following Breast Surgeries, (randomized Clinical Trial Study)

will receive a combination of PECS II block and TTPB (injection of 10 ml 0.25% bupivacaine between pectoralis major and minor muscles and 10 ml between the pectoralis minor and serratus anterior muscles) at the third or the fourth rib, then 10 ml between the internal inter-costal muscles and the transversus thoracic muscle

ESPB (30 ml of 0.25% bupivacaine injected deep to the erector spinae muscle at the transverse process of the fifth thoracic vertebrae)

injection of 10 ml 0.25% bupivacaine between pectoralis major and minor muscles and 10 ml between the pectoralis minor and serratus anterior muscles) at the third or the fourth rib, then 10 ml between the internal inter-costal muscles and the transversus thoracic muscle

30 ml of 0.25% bupivacaine injected deep to the erector spinae muscle at the transverse process of the fifth thoracic vertebrae