Coracoacromial (CA) ligament release with or without acromioplasty is a shoulder surgery that releases the CA ligament which can contribute to rotator cuff pain. The coracoacromial ligament (CAL) connects the acromion and coracoid process of the scapula, forming an osseoligamentous static restraint to superior humeral head displacement.Acromioplasty, also known as shoulder decompression surgery is a common treatment for shoulder impingement syndrome.