持续性右侧胸痛

Question: A 64-year-old male presented with a 3-day history of persistent, right-sidedchestpain, which was exacerbated by breathing, coughing, sneezing, or even talking. Upon arrival at our emergency room, he denied histories of external trauma, instrumentation of the esophagus, and severe cough in the past month. The patient had no fever. Physical examination and laboratory studies were unremarkable except for leukocytosis (16.53 × 103/μL). Chest radiography revealed multiple opacified lesions in the right lung field (Figure A). Computed tomography (CT) of the chest revealed an encapsulated right-sided pleural effusion with bubble formation (Figure B, black arrow head) and a high-density