Superficial cervical plexus damage as a result of a back roll.
D006348:Cardiac Surgical Procedures / Q000379:methods*; D002572:Cervical Plexus / Q000293:injuries*; D006801:Humans; D006987:Hypesthesia / Q000209:etiology; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D011187:Posture; D012540:Scapula