input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 56-year-old man of Korean descent visits his primary care provider for an annual health check-up. His personal history is relevant for cigarette smoking and a sedentary lifestyle. He has type-2 diabetes mellitus which is under control with oral medications. Upon physical examination, he is found to have a blood pressure of 130/70 mm Hg, a pulse of 72/min, a respiratory rate of 18/min, and a body temperature of 36.5°C (97.7°F). The rest of the examination is unremarkable except for an enlarged, nontender left supraclavicular node. In addition to a fine needle aspiration or biopsy, which of the following tests should also be included in further assessment of this patient?   (A) Chest radiograph   (B) Upper gastointestinal endoscopy   (C) Magnetic resonance imaging of the brain   (D) Ultrasound of the neck
output: ['(B) Upper gastointestinal endoscopy <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Chest radiograph  (B) Upper gastointestinal endoscopy  (C) Magnetic resonance imaging of the brain  (D) Ultrasound of the neck <> possible answers', '  A 56-year-old man of Korean descent visits his primary care provider for an annual health check-up. His personal history is relevant for cigarette smoking and a sedentary lifestyle. He has type-2 diabetes mellitus which is under control with oral medications. Upon physical examination, he is found to have a blood pressure of 130/70 mm Hg, a pulse of 72/min, a respiratory rate of 18/min, and a body temperature of 36.5°C (97.7°F). The rest of the examination is unremarkable except for an enlarged, nontender left supraclavicular node. In addition to a fine needle aspiration or biopsy, which of the following tests should also be included in further assessment of this patient? <> context']