A 62-year-old woman with a 10-year history of rheumatoid arthritis presents with progressive dyspnea over 2 weeks. Chest X-ray shows a right-sided pleural effusion. Thoracentesis is performed and pleural fluid analysis reveals: protein 4.2 g/dL, LDH 280 IU/L, glucose 18 mg/dL, pH 6.8, and cholesterol 85 mg/dL. Which of the following radiological findings on CT chest would MOST strongly support the diagnosis suggested by these pleural fluid characteristics?