input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 27-year-old gentleman is brought into the ED after being stabbed in the back by a knife. In addition to the pain from the wound, he complains of weakness in his left leg. Upon physical examination you find that he has no other visible injuries; however, he has 2/5 strength in the left lower extremity. Complete neurologic exam also finds a deficit in vibration sense and light touch on the left lower extremity as well as a loss of pain and temperature sensation in the right lower extremity. Which of the following lesions would result in the syndrome described?   (A) Anterior cord lesion   (B) Posterior cord lesion   (C) Right cord hemisection   (D) Left cord hemisection
output: ['(D) Left cord hemisection <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Anterior cord lesion  (B) Posterior cord lesion  (C) Right cord hemisection  (D) Left cord hemisection <> possible answers', '  A 27-year-old gentleman is brought into the ED after being stabbed in the back by a knife. In addition to the pain from the wound, he complains of weakness in his left leg. Upon physical examination you find that he has no other visible injuries; however, he has 2/5 strength in the left lower extremity. Complete neurologic exam also finds a deficit in vibration sense and light touch on the left lower extremity as well as a loss of pain and temperature sensation in the right lower extremity. Which of the following lesions would result in the syndrome described? <> context']