Review Question - QID 213632

A 71-year-old man is evaluated by an orthopedic surgeon for chronic neck pain and progressive weakness in his right arm. He says that the neck pain has been getting gradually worse over the last year and has been accompanied by numbness, tingling, and weakness in his right arm. Furthermore, he says that he has been having increasing difficulty performing overhead activities with his right arm. He also says that he has been experiencing headaches that localize to the back of his head and neck. Physical exam reveals loss of two point discrimination in his right middle finger and the ulnar side of his right index finger. Imaging studies reveal a posterolateral herniation of one of his cervical discs. Which of the following disc herniations is most likely responsible for this patient's symptoms?