Medical Council of Canada MCCQE Question Answer
A 66-year-old woman has a 3-month history of dry cough and weight loss. A new chest radiograph reveals a large 2-cm mass in her right upper lobe, which is consistent with carcinoma. You look at her previous films and realize that you had read her chest radiograph as normal 1 year ago, but now clearly see a faint opacity in precisely the same location as her current lesion. Which one of the following is the best next step?

