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A 50-year-old man presents to his primary care physician for management of a lung nodule. The nodule was discovered incidentally when a chest radiograph was performed to rule out pneumonia. The nodule is 8.5 mm in size and was confirmed by CT. The patient is otherwise healthy, has never smoked, and exercises regularly. The patient works in a dairy factory. He has had no symptoms during this time. His temperature is 97.6°F (36.4°C), blood pressure is 122/81 mmHg, pulse is 83/min, respirations are 12/min, and oxygen saturation is 98% on room air. Physical exam including auscultation of the lungs is unremarkable. Which of the following is the most appropriate next step in management?
Biopsy and lymph node dissection
CT scan in 6 months
No further workup indicated
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A 68-year-old woman presents to your office for her annual check-up. Her vitals are HR 85, T 98.8 F, RR 16, BP 125/70. She has a history of smoking 1 pack a day for 35 years, but states she quit five years ago. She had her last pap smear at age 64 and states all of her pap smears have been normal. She had her last colonoscopy at age 62, which was also normal. Which is the following is the next best test for this patient?
Chest CT scan
A 40-year-old man is brought to the emergency room after being struck by an automobile. He complains of left-sided chest pain. He denies chest discomfort on exertion, shortness of breath, and coughing. His temperature is 37 C (98.6 F), blood pressure 130/70 mm Hg, heart rate 90/min, and respiratory rate 16/min. On physical exam, he has bruising over the left chest wall. Cardiac, pulmonary, and abdominal exams are within normal limits. His chest radiograph shows no rib fractures, but reveals a single round lesion as shown in Figure A. He denies any previous chest radiographs. He also denies any history of weight loss, fatigue, or hemoptysis. He says he has never smoked cigarettes. What is the best next step in the management of this patient's pulmonary lesion?
CT scan of the chest
CT guided biopsy
A 62-year-old Caucasian male presents to his primary care physician following a week long history of abdominal pain, nausea and vomiting. The patient also reports reduced appetite, fatigue, polyuria, and pain in his lower back. The patient has a 40-pack year history of smoking. Laboratory values are notable for the following: Serum calcium: 12.2 mg/dL, Serum phosphorus: 2.4 mg/dL, and Alkaline phosphatase: 80 U/L. Chest radiograph shows a left middle lobe mass that was not present on prior chest radiograph 2 years ago. Serum parathyroid hormone-related peptide is elevated. Serum electrophoresis is shown in Figure A. Which of the following is the most likely diagnosis?
Small cell lung cancer
Adenocarcinoma of the lung
Squamous cell lung cancer