Review Question - QID 109854

A 48-year-old nurse presents with left-sided chest pain and a nonproductive cough. Both the chest pain and the cough began about 2 months ago. Deep breathing exercises exacerbate his chest pain. The patient denies headaches, fever, or chills. He reports a 3 pound weight loss over the last 2 weeks, which he attributes to a change in his diet that he and his wife recently started. The patient drinks a glass or 2 of whiskey on the weekends and is a non-smoker. The patient’s medical history is significant for type 2 diabetes and Hodgkin lymphoma. He was treated with chemotherapy and radiation 25 years ago without complications. His current medications include metformin and glyburide. His HbA1c is 7.5%. His temperature is 99°F (37.2°C), blood pressure is 121/82 mmHg, pulse is 86/min, respirations are 12/min, and oxygen saturation is 95% on room air. Physical exam is notable for coarse rhonchi in the left lung. There is no appreciable lymphadenopathy. A chest radiograph is performed, which is shown in Figure A. Which of the following is the most likely diagnosis for this patient?